You want to know something? We are still in the Dark Ages. The Dark Ages--they haven't ended yet.

You had to get everything exactly right or the editors would give you hell.

It is almost always a mistake to mention Abraham Lincoln. He always steals the show.

Even as I speak, the very last polar bear may be dying of hunger on account of climate change, on account of us. And I sure miss the polar bears. Their babies are so warm and cuddly and trusting, just like ours.

Sometimes I think it is a great mistake to have matter that can think and feel. It complains so.

I think that scientific persons of the future will scoff at scientific persons of the present. They will scoff because scientific persons of the present thought so many important things were superstitious.

The truth is, we know so little about life, we don't really know what the good news is and what the bad news is.