I take it to be true that pure thought can grasp the real, as the ancients had dreamed.

Gravitation is not responsible for people falling in love.

Life is like riding a bicycle. To keep your balance, you must keep moving.

Life isn't worth living, unless it is lived for someone else.

Imagination is everything. It is the preview of life's coming attractions.

Wisdom is not a product of schooling but of the lifelong attempt to acquire it.

Strive not to be a success, but rather to be of value.

The true sign of intelligence is not knowledge but imagination.

God is clever but not dishonest.

Try not to become a man of success but rather a man of value.

Weakness of attitude becomes weakness of character.

Don't be a drag.Just be a queen.

I like to see an angry Englishman, " said Poirot. "They are very amusing. The more emotional they feel the less command they have of language.

The Church says that the Earth is flat, but I know that it is round. For I have seen the shadow of the earth on the moon and I have more faith in the Shadow than in the Church.

Never present a power-user option in such a way that normal users must learn all about it in order to know they don't need to use it.

When anyone becomes an authority, that is the end of him as far as development is concerned.

Sometimes I want to have a mental book burning that would scour my mind clean of all the filthy visions literature has conjured there. But how to do without 'The Illiad?' How to do without 'Macbeth?

What I love about watercolor is that a lot of happy accidents occur.

Drawing is feeling. Color is an act of reason.

To look at a thing is very different from seeing it.

You are far less likely to soil your pants and cry for your mother if you’re prepared to defend yourself.