To stay young requires unceasing cultivation of the ability to unlearn old falsehoods.

I believe that almost all politicians are honest. For every bribed alderman there are hundreds of politicians, low paid or not paid at all, doing their level best without thanks or glory to make our system work. If this were not true, we would never have gotten past the thirteen colonies.

Stupidity is the only natural capital offense.

The most expensive thing in the world is a second-best military establishment, good but not good enough to win.

If we blow ourselves up we will do it by misapplication of science; if we manage to keep from blowing ourselves up, it will be through intelligent application of science.

Ability is a wonderful thing, but its value is greatly enhanced by dependability. Ability implies repeatability and accountability.

Minimize your therbligs until it becomes automatic; this doubles your effective lifetime - and thereby gives time to enjoy butterflies and kittens and rainbows.