Adapt what is useful, reject what is useless, and add what is specifically your own.

If you have no problems, then you have no clue to what is going.

Judge not unless you judge yourself.

Why fit in when you were born to stand out?

Having a great intellect is no path to being happy.

The smaller the mind, the greater the conceit.

What you're thinking is what you're becoming.

Everybody is ignorant, only on different subjects.

If you don't want to slip up tomorrow, speak the truth today.

What's done can't be undone.

I mistrust the judgement of every man in a case in which his own wishes are concerned.

You can best serve civilization by being against what usually passes for it.

Moderation in temper is always a virtue; but moderation in principle is always a vice.

You are not a drop in the ocean. You are the entire ocean, in a drop.

One who loses wealth loses much. One who loses a friend loses more. But one who loses courage loses all.

When playing board-games which involve quizzes etc, you will always know the answers to everyone else's set of questions but never your own.

In anger we should refrain both from speech and action.

At the center of your being you have the answer; you know who you are and you know what you want.

Man's sensitivity to the little things and insensitivity to the greatest are the signs of a strange disorder.

The most certain sign of wisdom is cheerfulness.

The first method for estimating the intelligence of a ruler is to look at the men he has around him.