Doing a job RIGHT the first time gets the job done. Doing the job WRONG fourteen times gives you job security.

Time can behave like another direction in space under extreme conditions.

Intelligence is the ability to adapt to change.

So remember to look up at the stars and not down at your feet. Try to make sense of what you see and hold on to that childlike wonder about what makes the universe exist.

The thing about smart people is that they seem like crazy people to dumb people.

It is all right to make mistakes; nothing is perfect because with perfection, we would not exist.

I have noticed even people who claim everything is predestined, and that we can do nothing to change it, look before they cross the road.

People won't have time for you if you are always angry or complaining.

It is reasonable to ask who or what created the universe, but if the answer is God, then the question has merely been deflected to that of who created God.

It is very important for young people keep their sense of wonder and keep asking why.

The development of full artificial intelligence could spell the end of the human race.

As long as you are focused on your own problems, you live and think as a self-centered man.

This generation must get deadly serious about the problem of Biblical illiteracy.

I just decided that I didn't want to be in the academic world, because it was [really] too easy for me at the top. But also it wasn't active enough for me.

How many times do you take yourself to the brink of complete collapse? It's not a real fun place to go.

My biggest problem is retaining the exact information.

It was bad enough to have toppled from the Olympic heights to make my living competing with animals. But the competition wasn't even fair. No man could beat a race horse, not even for 100 yards.

There's no need to build a labyrinth when the entire universe is one.

I never struggled with trying to figure out what it was I wanted to do or what made the sparks go for me.

Our job in physics is to see things simply, to understand a great many complicated phenomena in a unified way, in terms of a few simple principles.

When you catch a glimpse of your potential, that's when passion is born.