There's plenty of intelligence in the world, but the courage to do things differently is in short supply.

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

While you're writing, you can't concentrate nearly as well on what the speaker is saying.

Know how to treat frostbite until you can get indoors.

Know the official post office abbreviations for all 50 states without having to consult a list.

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

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.