If anyone can refute me—show me I'm making a mistake or looking at things from the wrong perspective—I'll gladly change. It's the truth I'm after, and the truth never harmed anyone. What harms us is to persist in self-deceit and ignorance.
Casting therefore all other things aside, keep thyself to these few, and remember withal that no man properly can be said to live more than that which is now present, which is but a moment of time.
Ambition means tying your well-being to what other people say or do. Self-indulgence means tying it to the things that happen to you. Sanity means tying it to your own actions.
If you seek tranquillity, do less. Or (more accurately) do what's essential—what.
Such as are your habitual thoughts, such also will be the character of your mind; for the soul is dyed by the thoughts.
How much more grievous are the consequences of anger than the causes of it.