Laughter serves as a blocking agent. Like a bullet-proof vest, it may help protect you against the ravages of negative emotions that can assault you in disease.

The only security for the American people today, or for any people, is to be found through the control of force rather than the use of force.

History is an accumulation of error.

Hope is independent of the apparatus of logic.

Of all the gifts bestowed by nature on human beings, hearty laughter must be close to the top.

The justification for those actions was that we were living in a very hard, predatory, cloak-and-dagger world and that the only way to deal with a totalitarian enemy was to intimidate him. The trouble with this theory was that while we live in a world of plot and counterplot, we also live in a world of cause and effect. Whatever the cause for the decision to legitimize and regularize deceit abroad, the inevitable effect was the practice of deceit at home.

The growth of the human mind is still high adventure, in many ways the highest adventure on earth.