Survey and test a prospective action before undertaking it. Before you proceed, step back and look at the big picture, lest you act rashly on raw impulse.

Keep your attention focused entirely on what is truly your own concern, and be clear that what belongs to others is their business and none of yours.

It is not things in themselves which trouble us, but our opinions of things.

When we blather about trivial things, we ourselves become trivial, for our attention gets taken up with trivialities. You become what you give your attention to.

Difficulty shows what men are.

Wherever any one is against his will, that is to him a prison.

There is but one way to tranquility of mind and happiness, and that is to account no external things thine own, but to commit all to God.