There is a very real danger that we will kill everything on this planet now that we have the technological power to do so.

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.

I'll have enough books when they fill my room like the stars fill the sky.

And in the endthe love you takeis equal tothe love you make

Gratitude magnifies the sweet parts of life and diminishes the painful ones.

The difference between a retiring man and a used condom is that the condom isn’t given a golden watch to inspire the illusion that it still matters to whomever that has just used it.

They said it was only a ground shark

As many micro-credit schemes across the world can testify, investment in women is the best investment for the future.

We feel really blessed to have been asked to come here, and to have the opportunity for our family to be able to look into the eyes of these people, and in some way help.

I think - I don't know, maybe it's nostalgia. But the choice, losing the choice to be able to use film is going to be - it's gone. It's going to be gone.

So I met the bloke who invented crosswords today. I can't remember his name, it's P something T something R.