If you would take, you must first give, this is the beginning of intelligence.

Sometimes one creates a dynamic impression by saying something, and sometimes one creates as significant an impression by remaining silent.

Judge a man by his questions rather than by his answers.

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

Everybody is ignorant, only on different subjects.

If I speak of myself in different ways, that is because I look at myself in different ways.

Most of what matters in our lives takes place in our absence.

To be wronged is nothing unless you continue to remember it.

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

Nobody has the power to take two steps together; you can take only one step at a time.

A person reveals his character by nothing so clearly as the joke he resents.

We choose our joys and sorrows long before we experience them.

It is a cliche that most cliches are true, but then like most cliches, that cliche is untrue.

There's no sense in being precise when you don't even know what you're talking about.

Good advice is always certain to be ignored, but that's no reason not to give it.

I don't know, I don't care, and it doesn't make any difference.

Instinct is a marvellous thing. It can neither be explained nor ignored.

If we do not lay out ourselves in the service of mankind whom should we serve?

Simplicity is the ultimate sophistication.

Achievement brings its own anticlimax.

Those who see the invisible can do the impossible.