Three Stoic Classics: Meditations by Marcus Aurelius; The Shortness of Life by Seneca; Selected Discourses of Epictetus

"The happiness of your life depends upon the quality of your thoughts." ― Marcus Aurelius

"You have power over your mind - not outside events. Realize this, and you will find strength." ― Marcus Aurelius

"So it is: we are not given a short life but we are wasteful of it... Life is long if you know how to use it.― Seneca

"We must indulge the mind and from time to time allow it the leisure which is its food and strength." ― Seneca

"Don't explain your philosophy. Embody it." ― Epictetus

"First say ...