The control center of your life is your attitude.

A casual attitude toward human hurt and pain is the surest sign of educational failure.

The greatest force in the human body is the natural drive of the body to heal itself - but that force in not independent of the belief system. Everything begins with belief. What we believe is the most powerful option of all.

Where is the indignation about the fact that the US and USSR have thirty thousand pounds of destructive force for every human being in the world?

The individual is capable of both great compassion and great indifference. He has it within his means to nourish the former and outgrow the latter.

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

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.