There is an art, or rather a knack to flying. The knack lies in learning how to throw yourself at the ground and miss.
Appearances often are deceiving.
It is a cliche that most cliches are true, but then like most cliches, that cliche is untrue.
Think globally, act locally.
We never see ourselves as others see us.
The greatest minds are capable of the greatest vices as well as of the greatest virtues.
Sometimes you will never know the value of a moment until it becomes a memory.
Gravity is only the bark of wisdom's tree; but it preserves it
Nobody has the power to take two steps together; you can take only one step at a time.
Half the world is composed of people who have something to say and can't, and the other half who have nothing to say and keep on saying it.
Loneliness adds beauty to life. It puts a special burn on sunsets and makes night air smell better.
Immoderate desire is the mark of a child, not a man.
If I speak of myself in different ways, that is because I look at myself in different ways.
There is a wisdom of the head, and... there is a wisdom of the heart.
Adapt what is useful, reject what is useless, and add what is specifically your own.
Throw your heart over the fence and the rest will follow.
Don't compromise yourself. You are all you've got.
It is better to be looked over than overlooked.
We must live together as brothers or perish together as fools.
Science may set limits to knowledge, but should not set limits to imagination.
What's done can't be undone.