In order to change the world, you have to get your head together first

One of the truest tests of integrity is its blunt refusal to be compromised.

If you don't behave as you believe, you will end by believing as you behave.

There is a wisdom of the head, and... there is a wisdom of the heart.

It is hard to fight desire; but to control it is the sign of a reasonable man.

Better mad with the rest of the world than wise alone.

Anywhere you go in the world is what you make of it, not what you read in books.

Early to bed and early to rise, Makes a man healthy, wealthy, and wise.

What's real and what's true aren't necessarily the same.

The pendulum of the mind oscillates between sense and nonsense, not between right and wrong.

Beer: The cause of, and solution to, all of life's problems.

Our virtues and our failings are inseparable, like force and matter. When they separate, man is no more

Be frank and explicit. That is the right line to take when you wish to conceal your own mind and to confuse the minds of others.

Men build too many walls and not enough bridges.

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

Drop the idea that you are Atlas carrying the world on your shoulders. The world would go on even without you. Don't take yourself so seriously.

There is nothing more uncommon than common sense.

What's done can't be undone.

It is neither good nor bad, but thinking makes it so.

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.

Tact is the knack of making a point without making an enemy.