Only two things are infinite, the universe and human stupidity, 
and I'm not sure about the former.

Not everything that counts can be counted, and not everything 
that can be counted counts.

There are only two ways to live your life. 
One is as though nothing is a miracle. 
The other is as though everything is a miracle.

The pursuit of truth and beauty is a sphere of activity 
in which we are permitted to remain children all our lives.

Any intelligent fool can make things bigger, more complex, and more violent.
It takes a touch of genius -- and a lot of courage -- to move in the opposite 
direction.

Imagination is more important that knowledge.