You teach me baseball and I'll teach you relativity...No we must not. You will learn about relativity faster than I learn baseball.

When a man points a finger at someone else, he should remember that three of his fingers are pointing at himself. Do not worry about your difficulties in mathematics; I can assure you that mine are still greater.

Nature shows us only the tail of the lion. But there is no doubt in my mind that the lion belongs with it even if he cannot reveal himself to the eye all at once because of his huge dimension.

True religion is real living; living with all one's soul, with all one's goodness and righteousness.

God gave me the stubbornness of a mule and a fairly keen scent.

(Reply on what constitutes scientific proof:)"The question is much too difficult for me.

I soon learned to scent out that which was able to lead to fundamentals and to turn aside from everything else, from the multitude of things which clutter up the mind and divert it from the essential.