Using e-mail, I can communicate with scientists all over the world.

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.

Always give everything 110 percent. It's the extra 10 percent that everyone remembers.

Age puzzles me. I thought it was a quiet time. My seventies were interesting and fairly serene but my eighties are passionate. I grow more intense as I age.

The man who speaks the truth is always at ease.

Then kiss me, Claire," he whispered, "And know that you are more to me than life, and I have no regret.

I've been taking batting practice in my barn where nobody can see me, so I may be better than anyone thinks.

He went to the hospital with bleeding kidney and me,I went dancing with my life

I can concentrate on my art.

I won't go up in a plane, but if a play crashes, I'll jump into the next one that comes along and take it up for a spin.

Opposites attract, and I think temperament is so fundamental that you end up craving someone of the opposite temperament to complete you.

Cost recovery is the polite way of saying, make families pay to educate their children.