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.

If your head tells you one thing, and your heart tells you another, before you do anything, you should first decide whether you have a better head or a better heart.

People who work crossword puzzles know that if they stop making progress, they should put the puzzle down for a while.

Being defeated is often a temporary condition. Giving up is what makes it permanent.

Be able to recognize when you're reading or hearing material biased to your own side.

When our spelling is perfect, it's invisible. But when it's flawed, it prompts strong negative associations.

Be able to analyze statistics, which can be used to support or undercut almost any argument.