It is not titles that honor men, but men that honor titles.

Experience is merely the name men gave to their mistakes.

You place too much importance... on the so-called purity of blood! You fail to recognize that it matters not what someone is born, but what they grow to be!

In any moment of decision, the best thing you can do is the right thing. The worst thing you can do is nothing.

Every aquarium will eventually leak.

We never see ourselves as others see us.

The essence of knowledge is, having it, to apply it; not having it, to confess your ignorance.

Everybody is ignorant, only on different subjects.

A man is literally what he thinks.

Yesterday is but today's memory and tomorrow is today's dream.

There is nothing more uncommon than common sense.

Property is surely a right of mankind as real as liberty.

Wisdom begins at the end.

When you undervalue what you do, the world will undervalue who you are

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.

I think, therefore I am.

Everything excellent is as difficult as it is rare.

But the fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses. They laughed at Columbus, they laughed at Fulton, they laughed at the Wright brothers. But they also laughed at Bozo the Clown.

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

Strength does not come from physical capacity. It comes from an indomitable will.

The one you buy will be the only one that doesn't work.