He who finds a thought that lets us a little deeper into the eternal mystery of nature has been granted great peace.

Einstein was once asked how many feet are in a mile. Einstein's reply was "I don't know, why should I fill my brain with facts I can find in two minutes in any standard reference book?

I am satisfied with the mystery of life's eternity and with a knowledge, a sense, of the marvelous structure of existence - as well as the humble attempt to understand even a tiny portion of the Reason that manifests itself in nature.

You might as well not be alive if you're not in awe of God.

Do not worry about your difficulties in Mathematics. I can assure you mine are still greater.

Is it not better for a man to die for a cause in which he believes, such as peace, than to suffer for a cause in which he does not believe, such as war?

When Albert Einstein was asked what he would really like to know about the Universe he replied,'is it friendly?