I think one of the problems [with raising intelligent children] is compulsory schooling...and that children are sitting there and they are taught and told what to believe. They are passive from the very beginning, and one must be very, very aggressive intellectually to have a high IQ [...] the child is taught. Right from the beginning, it's a passive process. He or she sits there, and they simply try to believe everything they're told.

Attention-deficit disorders seem to abound in modern society, and we don't know the cause.

A fool is someone whose pencil wears out before its eraser does.

The squeaky wheel may get the most oil, but it's also the first to be replaced.

Know which officials are voted into office and which are appointed, and by whom.

The chess player who develops the ability to play two dozen boards at a time will benefit from learning to compress his or her analysis into less time.

Suppose you're on a game show, and you're given the choice of three doors. Behind one door is a car, the others, goats. You pick a door, say #1, and the host, who knows what's behind the doors, opens another door, say #3, which has a goat. He says to you: 'Do you want to pick door #2?' Is it to your advantage to switch your choice of doors?