There comes a time when the mind takes a higher plane of knowledge but can never prove how it got there.

I make it a rule not to clutter my mind with simple information that I can find in a book in five minutes.

It seems to me that the idea of a personal God is an anthropological concept which I cannot take seriously. I feel also not able to imagine some will or goal outside the human sphere. My views are near those of Spinoza: admiration for the beauty of and belief in the logical simplicity of the order which we can grasp humbly and only imperfectly. I believe that we have to content ourselves with our imperfect knowledge and understanding and treat values and moral obligations as a purely human problem-the most important of all human problems.

He who finds though that lets us penetrate even a little deeper into the eternal mystery of nature has been granted great grace. He who, in addition, experiences the recognition, sympathy, and help of the best minds of his times, had been given almost more happiness than one man can bear.

A clever person solves a problem. A wise person avoids it.

Music has no effect on research work, but both are born of the same source and complement each other through the satisfaction they bestow

Check out not to become a man or woman of achievement, but instead seek to become a particular person of price.