The important thing is not to stop questioning. Curiosity has its own reason for existing.

Great spirits have always encountered violent opposition from mediocre minds.

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

When I examine myself and my methods of thought, I come to the conclusion that the gift of fantasy has meant more to me than my talent for absorbing positive knowledge.

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

When the solution is simple, God is answering.

The ideals that have lighted my way and time after time have given me new courage to face life cheerfully have been Kindness, Beauty, and Truth.

It's not that I'm smart, it's just that I stay with problems longer.