Do I Know God?: Finding Certainty in Life's Most Important Relationship


As the grandson of Billy and Ruth Bell Graham, Tullian Tchividjian grew up hearing the Christian faith preached to millions. Yet he struggled to come to faith personally. His first book, Do I Know God? captures the sincerity and intensity of his own spiritual quest, and shows the way for a new generation of seekers.

Combining careful thinking, warm personal story, and an exceptional grounding in biblical truths, Tullian delivers trustworthy ...

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Do I Know God?: Finding Certainty in Life's Most Important Relationship

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As the grandson of Billy and Ruth Bell Graham, Tullian Tchividjian grew up hearing the Christian faith preached to millions. Yet he struggled to come to faith personally. His first book, Do I Know God? captures the sincerity and intensity of his own spiritual quest, and shows the way for a new generation of seekers.

Combining careful thinking, warm personal story, and an exceptional grounding in biblical truths, Tullian delivers trustworthy answers to the questions you’ve been asking:

·Is it really possible to know God?
·Is being “spiritual” or “religious” the same thing as having a relationship with God?
·What is the relationship between saving faith and good works?
·How does believing God’s promises assure me of salvation?
·How do my feelings for God affect my relationship with him?
·How can I trust that God is present when I feel only his absence?
·Can a relationship with God assure me of a future with him in eternity?

Do I Know God? was written with a wide range of readers in mind: those outside the Christian faith, newer Christ followers who feel confused about their relationship with God, and long-time Christians who have never gotten clarity on key questions like eternal security and assurance of salvation, faith and works.

Tullian shows readers how to discover a genuine, vibrant and enduring relationship with God. And it all begins with the vital question: Do I Know God?

From the Hardcover edition.

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  • Tullian Tchividjian
    Tullian Tchividjian  

Editorial Reviews

From the Publisher
“Apart from the Bible, this may be the most important book you could ever read because it will help you answer the most important question you could ever ask: Do I know God?”
–From the foreword by Billy Graham

“To know that you know God and God knows you is life’s greatest source of peace, joy, and strength for the journey. Tullian takes strugglers by the hand and leads them with sure steps towards this certainty. Here is a book to be trusted and treasured.”
J.I. Packer, author of Knowing God

“With wisdom, grace, and transparency, Tullian helps clear the sometimes uncertain path of knowing and following after God. I am thrilled to endorse this thoughtful work and trust you will find it equally engaging and helpful.”
Ravi Zacharias, author of Can Man Live Without God

“Warm, fresh, and helpful, Tullian’s insightful answer to the question ‘Do I know God?’ will be a guide and an encouragement to many.”
Os Guinness, author of The Call

From the Hardcover edition.

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Product Details

  • ISBN-13: 9781590529362
  • Publisher: The Doubleday Religious Publishing Group
  • Publication date: 8/21/2007
  • Pages: 224
  • Sales rank: 1,151,042
  • Product dimensions: 5.16 (w) x 7.39 (h) x 0.91 (d)

Meet the Author

William Graham Tullian Tchividjian is the grandson of Ruth and Billy Graham. As a teenager he rebelled and ran from God, but in 1993 God radically saved him and he’s never looked back. A graduate of Columbia International University and Reformed Theological Seminary in Orlando, Florida, he has served on the pastoral staff of three churches. In 2003 he moved back home to start New City Presbyterian Church in south Florida. He is a popular conference speaker, Bible teacher, radio preacher, and the author of The Kingdom of God. An avid surfer, Tullian and his wife, Kim, have three children and live in Coconut Creek, Florida.

From the Hardcover edition.

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Read an Excerpt

The Hope of Certainty
Is knowing God really possible?

I know whom I have believed,
and I am convinced that he is able to guard until that Day what has been entrusted to me.
–Apostle Paul (2 Timothy 1:12)

It was the week after Christmas, and the office was quiet. Most of our staff at New City Church were either out of town or at home with family. I’d taken the week off too, but one morning I stopped by my office to pick up some books. A few minutes after I arrived, someone walked through the front door. His name was Mike. He and his family had been attending New City for a while. Holidays or not, Mike had a question that couldn’t wait.

He slumped down in the chair next to the window. He confessed he’d been sitting in the parking lot for more than an hour debating whether he should walk in and talk to me. He had finally mustered the courage to come inside to ask me a single question: “How do I know if I know God?”

As we talked, it became clear that the question had been eating at Mike for at least a year–ever since I’d preached a sermon on Matthew 7. That’s the chapter where Jesus warns there will be many who go through life thinking they know God, only to hear chilling words when they meet him in eternity: “I never knew you; depart from me, you workers of lawlessness” (verse 23).

Those eleven words–“I never knew you; depart from me, you workers of lawlessness”–were haunting Mike. He was haunted by the simple, stark tragedy they convey: that a guy can be so badly mistaken about such an important relationship he can go through life thinking he knows God, only to hear a shocker at its end.

“Is it even possible, Tullian, to know God?” asked Mike. “I mean, really know him?”

Mike took his question further. If knowing God in this life determined whether we received an eternal welcome or its very disturbing opposite, then the stakes were even higher. “How can I know that I know God?” he asked.

One look at Mike’s face showed me he hadn’t driven to my office during Christmas week just to play Stump the Preacher.

Mike was confused and distressed, besieged by doubts. And he wanted answers. No, he needed answers.

There’s a story behind the story that you should know about Mike, something that might have been pressing him to get at the facts about knowing God. Before Mike started attending New City, he’d never been a churchgoing guy. When he fell ill with cancer, that changed. On his first Sunday at our church, Mike introduced himself and told me about his cancer. He asked me to pray with him and his family, and I did. Today, thankfully, Mike’s cancer is in remission. But anyone who’s had a brush with death is more likely to think deeply and courageously about life’s big questions.

Of course, Mike isn’t alone. I meet people almost every day who are struggling with whether God is knowable and, if he is, what it means to have a relationship with him.

Recently I received an e-mail from a friend named Curt. Although Curt says he’s a Christian, for some time he and his girlfriend had been struggling to integrate their relationships with God into their relationship with each other. They recently broke up.

Heartbroken and confused, Curt has been questioning the genuineness of his relationship with God ever since. When he discovered I was writing this book, he wrote:

“Ever since Jill and I broke up, I feel as if I’m slipping away from God, and I need help. When I read your e-mail about the book you’re writing, I almost didn’t read it all the way through, but something told me to keep reading. I can’t help thinking that God wants me to take my relationship with him a little more seriously.

I’ve been meaning to make an appointment with you, but I’ve been too full of pride to admit something–I don’t really know God as much as I thought I did. I know you’re busy, but when things aren’t so hectic, I’ll be around."


The questions Mike and Curt are asking lead me to make an elementary but critical observation: all people throughout history can be divided into two groups–those who know God and those who don’t. Simple. True. Potentially devastating.

Fortunately, though, that isn’t the end of it. Not by any means.

For example, the Bible makes it clear that if you’re confused about which group you belong to, you don’t have to remain confused. If you do have a relationship with God, he wants you to know it.

And if you don’t have a relationship with God, he wants you to know it.

The Bible also shows that the flip side of these dramatic statements is true. God does not want you to think you have a relationship with him if you don’t. And he doesn’t want you to think you do not have a relationship with him if you do.

In this matter, ignorance is not bliss. And thankfully, neither is it necessary.

At our core, you and I have been created to want and need God. In fact, as we’ll see in the pages ahead, he designed us specifically to be in a close, life-fulfilling relationship with him. That’s why when we’re out of relationship to him or we aren’t sure where we stand with him, we feel restless, numbed, somehow incomplete.

It doesn’t matter who we are or how much security we experience in other areas of our lives–as beings created in the image of God, we long for the kind of certainty that only an authentic relationship with God can satisfy.

Do you resonate with this deeply human need for clarity and certainty regarding a relationship with God? If so, then this book is for you. It is my attempt to give Mike, Curt, and every other sincere spiritual seeker credible answers to the all-important question:

“Do I know God?”

From the Hardcover edition.

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Sort by: Showing all of 2 Customer Reviews
  • Anonymous

    Posted January 26, 2007

    The Beauty of Certainty

    ¿Many people are confused today as to whether we can truly know God. Is it possible to actually have a relationship with the Creator of the universe? This book by my former student, Tullian Tchividjian, makes it clear that we can have such certainty, and how that certainty is possible. It is thoroughly biblical, well balanced, excellently stated and illustrated. May God use Tullian's volume to bring many to the wonderful assurance that God loves them in Jesus Christ.¿

    1 out of 1 people found this review helpful.

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  • Anonymous

    Posted October 13, 2007

    understanding faith and knowing were to look

    'do I know God' is a very special book. the arthur tullian tchividjlan is a minister and a grandson of billy graham and this publication is very small and inexpensive and yet it shows simple and easy to understand faith and how it can give you reassurance and in the back of the book are some remarkable study notes as well as the writers life and friends to show how christ can give you hope and this bestseller can give you straight facts on faith whean their are some things that challenge our lifes and Iam so thankful that this book has a gallant message of hope. I will be recamending it to my pastor cause I feel this book has alot to offer.

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