Without courage, wisdom bears no fruit.

There is always time to add a word, never to withdraw one.

Tis very certain the desire of life prolongs it.

Men build too many walls and not enough bridges.

Common sense is in spite of, not as the result of education.

The object of the superior man is truth.

What a man does for others, not what they do for him, gives him immortality.

Everything excellent is as difficult as it is rare.

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

Sometimes you will never know the value of a moment until it becomes a memory.

Don't criticize what you don't understand, son. You never walked in that man's shoes.

I write with experiences in mind, but I don't write about them, I write out of them.

Power always thinks it has a great soul and vast views beyond the comprehension of the weak.

In a good bookroom you feel in some mysterious way that you are absorbing the wisdom contained in all the books through your skin, without even opening them.

What a liberation to realize that the “voice in my head” is not who I am. Who am I then? The one who sees that.

The most certain sign of wisdom is cheerfulness.

He who chooses the beginning of the road chooses the place it leads to.

Let no man pull you low enough to hate him.

Don't take tomorrow to bed with you.

The road of excess leads to the palace of wisdom.

The very essence of instinct is that it's followed independently of reason.