Great moments in science: Einstein discovers that time is actually money.

It is a known fact that the sheep that give us steel wool have no natural enemies.

I think one thing that's important to maintain is a sense of fear, always doubting yourself... a good dose of insecurity helps your work in some ways.

The picture's pretty bleak, gentlemen... The world's climates are changing, the mammals are taking over, and we all have a brain about the size of a walnut.

Of course, living in an all-glass house has its disadvantages...but you should see the birds smack it.

The great thing about this jungle of ours is that anyone of you could grow up to be Lord of the apes.

Wait a minute! This is grass! We've been eating grass!