True art is characterized by an irresistible urge in the creative artist.

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

Try not to become a man of success, but rather try to become a man of value.

Two things are infinite: the universe and human stupidity; and I'm not sure about the universe.

We can't solve problems by using the same kind of thinking we used when we created them.

We cannot despair of humanity, since we ourselves are human beings.

We cannot solve our problems with the same thinking we used when we created them.

We shall require a substantially new manner of thinking if mankind is to survive.

We still do not know one thousandth of one percent of what nature has revealed to us.

When the solution is simple, God is answering.

When you are courting a nice girl an hour seems like a second. When you sit on a red-hot cinder a second seems like an hour. That's relativity.

Whoever is careless with the truth in small matters cannot be trusted with important matters.