(An excerpt from Einstein's Dreams by Alan Lightman, present in the book in the form of a journal entry dated 10 May, 1905) It is late...

- You know, I fell and found strange things here - roots, bushes... Has it ever occurred to you that plants can feel, know, even...

Look again at that dot. That's here. That's home. That's us. On it everyone you love, everyone you know, everyone you ever heard of,...

"What came first, the music or the misery? People worry about kids playing with guns, or watching violent videos, that some sort of...

The strongest person in the world is the person who isn't scared to be alone. It's other people you got to worry about. Other people....

Real isn't how you are made,' said the Skin Horse. 'It's a thing that happens to you. When a child loves you for a long, long time, not...

[This is an excerpt from his book Sum: Forty Tales from the Afterlives] Here in the afterlife, everything exists in all possible states...

"It is clear that as our walking is admittedly nothing but a constantly-prevented falling, so the life of our bodies is nothing but a...

"Let us try to teach generosity and altruism, because we are born selfish. Let us understand what our own selfish genes are up to,...

Cancer is an expansionist disease; it invades through tissues, sets up colonies in hostile landscapes, seeking "sanctuary" in one organ...