The future is not a gift-it is an achievement.

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.

I feel like if people are going to go to the effort to get a stamp and, you know, put it on an envelope that, you know, it's a big effort these days. So I often write back.

I have a pretty big fund-raising heart.

...somebody has to take governments' place, and business seems to me to be a logical entity to do it.

We are looking at a society increasingly dependent on machines, yet decreasingly capable of making or even using them effectively.

Perversity is the human thirst for self-torture.

Stereotypes, they're sensual, cultural weapons. That's the way that we attack people. At an artistic level, stereotypes are terrible writing.

"Superhero" is a term that's been borrowed in order to say "big and larger than life and loud and active and dumb." And I don't think that's a useful definition. That's more a dismissal.

Once you see the boundaries of your environment, they are no longer the boundaries of your environment.

I learned from both my parents that you had to be clever.

Nature is no spendthrift, but takes the shortest way to her ends.