The mind is a superb instrument if used rightly. Used wrongly, however, it becomes very destructive. To put it more accurately... you usually don't use it at all. It uses you.

A good liar must have a good memory.

The right of a nation to kill a tyrant in case of necessity can no more be doubted than to hang a robber, or kill a flea.

In just six weeks from the time the design was started, we had the motor on the block testing its power.

There are two things children should get from their parents: roots and wings.

Maybe, just once, someone will call me 'Sir' without adding, 'You're making a scene.'

I recommend that the Statue of Liberty be supplemented by a Statue of Responsibility on the west coast.

What is to give light must endure burning.

We all live with the objective of being happy; our lives are all different and yet the same.

I love children, especially when they cry, for then someone takes them away.

No man for any considerable period can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.

Pretty much, Apple and Dell are the only ones in this industry making money. They make it by being Wal-Mart. We make it by innovation.

There is nothing to writing. All you do is sit down at a typewriter and bleed.

Children show me in their playful smiles the divine in everyone.

Domination delegates the physical violence on which it rests to the dominated.

No temptation can gravitate to a man unless there is that in his heart which is capable of responding to it.

A friend doesn't go on a diet because you are fat.

A man of honour should never forget what he is because he sees what others are.

To turn really interesting ideas and fledgling technologies into a company that can continue to innovate for years, it requires a lot of disciplines.

Anything that makes weak - physically, intellectually and spiritually, reject it as poison.

Self-pity is our worst enemy and if we yield to it, we can never do anything wise in this world.