There are plenty of dead scientists I admire, but I can't think of any living ones. This is probably because it is only in retrospect that one can see who made the important contributions.

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.

Focus determines your feelings, which in turn influence your behaviour, actions and your destiny.

...unlike knowledge, understanding cannot be taught. It must be achieved.

As attorney general, Ive had some connection with just about every important public issue in the last eight years in Kentucky. All of the important public issues of the day have, at some point.

Reputation is what others think about you. What's far more important is character, because that is what you think about yourself.

We discard the personal specifics which don't conform to the ideal conventional beauty created by art directors and cinematographers.

I've never met a cartoonist who isn't quirky or weird in some ways.

Life is so great. Life is so fun. Life is so great in my head because I see the love. I see what life could be. As long as I can fulfill it and fulfill my days, it will be fruitful and come about.

I understand why the Tories will be gunning for Alastair Campbell because they fear his campaigning skills.

Abandon anything about your life and habits that might be holding you back

If you don't think like a winner, you're not going to be a winner.