Our ultimate freedom is the right and power to decide how anybody or anything outside ourselves will affect us.

Stop making excuses; you're the only one stopping you.

In a time of destruction, create something.

Science is organized knowledge. Wisdom is organized life.

To rank the effort above the prize may be called love.

These are the times in life — when nothing happens — but in quietness the soul expands.

True love is inexhaustible; the more you give, the more you have.

Pain nourishes courage. You can't be brave if you've only had wonderful things happen to you.

An inventor fails 999 times, and if he succeeds once, he's in.

The art of life is not controlling what happens to us, but using what happens to us.

I believe that the privilege of a lifetime is being who you are.

Genius is nothing more nor less than childhood recovered at will.