A calm and modest life brings more happiness than the pursuit of success combined with constant restlessness.
The fear of death is the most unjustified of all fears, for there's no risk of accident for someone who's dead.
Reading, after a certain age, diverts the mind too much from its creative pursuits. Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
I cannot imagine a God who rewards and punishes the objects of his creation and is but a reflection of human frailty.
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.
True religion is real living; living with all one's soul, with all one's goodness and righteousness.
To raise new questions, new possibilities, to regard old problems from a new angle, requires creative imagination and marks real advance in science.
There comes a time when the mind takes a higher plane of knowledge but can never prove how it got there.
The release of atomic energy has not created a new problem. It has merely made more urgent the necessity of solving an existing one.
Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questioning.