Spiritually Appraising: How does God want us to appraise all things?

"Spiritually Appraising" is God's commandment for the way Christians are to assess and to judge all things - I Corinthians 2:15. Well in order to spiritually appraise all things, you must first know God's word (rhema - 4487 GK.), meaning His scriptures. This is why we are also commanded to live by His every word - Matthew 4:4, because only His word, scriptures, are the truth. And no, we don't use our human mind to spiritually appraise, we have to use the mind of Christ - I Corinthians 2:16b...