Nothing will end war unless the peoples themselves refuse to go to war.

What I see in Nature is a grand design that we can understand only imperfectly, one with which a responsible person must look at with humility.

The only sure way to avoid making mistakes is to have no new ideas.

If the facts don't fit the theory, change the facts.

To the Master's honor all must turn, each in its track, without a sound, forever tracing Newton's ground.

Science is the process of making obviously erroneous ideas less obviously erroneous.

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