Someone told me that each equation I included in the book would halve the sales.

I would like nuclear fusion to become a practical power source. It would provide an inexhaustible supply of energy, without pollution or global warming.

Science is beautiful when it makes simple explanations of phenomena or connections between different observations.

It's clearly possible for a something to acquire higher intelligence than its ancestors: we evolved to be smarter than our ape-like ancestors, and Einstein was smarter than his parents.

The human failing I would most like to correct is aggression. It may have had survival advantage in caveman days, to get more food, territory or a partner with whom to reproduce, but now it threatens to destroy us all.

A picture is worth a thousand words...and uses up a thousand times the memory.

thus, in a sense, we are all doomed. even if we stay away from black holes