It's harder to be afraid of something you understand

They keep track of time. Sometimes things happen and you feel that you need to mark them down.

Just because other people think something, that doesn't make it true.Maybe there's some truth in that, but it's unsatisfying, bitter-tasting truth.

When experience is bought by pain, it teaches.

The path to your dream is more about following a direction than arriving at a destination.

I love that we can trust Barack to do what he says he's going to do, even when it's hard - especially when it's hard.

What's been gratifying is to live long enough to see molecular biology and evolutionary biology growing toward each other and uniting in research efforts.

I never wrote a joke in my life. I just get on stage and let it flow.

In this world we see nothing but diversity. Everyone thinks separate ideas and wants to develop a separate identity. They fight wars with each other. They destroy each other's identities.

A true revolution of values will soon cause us to question the fairness and justice of many of our present policies.

Teach the mouth to say what you have in your heart.

The best Qualification of a Prophet is to have a good Memory.