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

Failure is success in progress.

Black holes are where God divided by zero.

Once we accept our limits, we go beyond them.

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

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.