“The pursuit of truth and beauty is a sphere of activity in which we are permitted to remain children all our lives.”

Wisdom is not a product of schooling but of the lifelong attempt to acquire it.

Try not to become a man of success. Rather become a man of value.

If I were not a physicist, I would probably be a musician. I often think in music. I live my daydreams in music. I see my life in terms of music.

Weak people revenge. Strong people forgive. Intelligent People Ignore.

Peace cannot be kept by force; it can only be achieved by understanding.

Three great forces rule the world: stupidity, fear and greed.

Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.

Blind belief in authority is the greatest enemy of truth.

Learn from yesterday, live for today, hope for tomorrow.

Gravitation is not responsible for people falling in love.

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.

Reality is merely an illusion, albeit a very persistent one.

When you trip over love, it is easy to get up. But when you fall in love, it is impossible to stand again.

The only thing that interferes with my learning is my education.

Creativity is intelligence having fun.

What is right is not always popular and what is popular is not always right.

I decided to teach because I think that any person who studies philosophy has to be involved actively.

The perils of overwork are slight compared with the dangers of inactivity.