The first rule is to keep an untroubled spirit. The second is to look things in the face and know them for what they are.

The greatest part of what we say and do is really unnecessary. If a man takes this to heart, he will have more leisure and less uneasiness.

Love the little trade which thou hast learned, and be content therewith.

I, who have never willfully pained another, have no business to pain myself.

From Alexander the Platonic, not frequently nor without necessity to say to any one, or to write in a letter, that I have no leisure; nor continually to excuse the neglect of duties required by our relation to those with whom we live, by alleging urgent occupations.

As far as you can, get into the habit of asking yourself in relation to any action taken by another: "What is his point of reference here?" But begin with yourself: examine yourself first.

Were you to live three thousand years, or even thirty thousand, remember that the sole life which a man can lose is that which he is living at the moment; and furthermore, that he can have no other life except the one he loses.