The human race shouldn't have all its eggs in one basket, or on one planet. Let's hope we can avoid dropping the basket until we have spread the load.

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.

History is made not of facts set in stone but of the stories we tell.

Actually, I am a coward. I say only what is safe to say, and I criticise only what is permissable to criticise.

The gods are just, and of our pleasant vicesMake instruments to plague us.

It's important for me to treat a girlfriend with respect. My mum would be horrified if I behaved any differently - and I have sisters, and would hate for them to be treated badly by guys.

Reincarnation contains a most comforting explanation of reality by means of which Indian thought surmounts difficulties which baffle the thinkers of Europe.

We no longer know whom to trust. This is the greatest damage the NSA has done to the Internet, and will be the hardest to fix.

I think that sexual oppression and dictatorship go hand in hand.

I am a stranger. I come in peace. Take me to your leader and there will be a massive reward for you in eternity.

Dancers aren't pompous; they're too tired.

Working cuts down on both folly and wisdom.