Better contraceptives will control population only if people will use them. A nuclear holocaust can be prevented only if the conditions under which nations make war can be changed. The environment will continue to deteriorate until pollution practices are abandoned. We need to make vast changes in human behavior.

Old age is rather like another country. You will enjoy it more if you have prepared yourself before you go.

What is love except another name for the use of positive reinforcement? Or vice versa.

Each of us has interests which conflict the interests of everybody else... 'everybody else' we call 'society'. It's a powerful opponent and it always wins. Oh, here and there an individual prevails for a while and gets what he wants. Sometimes he storms the culture of a society and changes it to his own advantage. But society wins in the long run, for it has the advantage of numbers and of age.

A disappointment is not generally an oversight. It might just be the best one can do the situation being what it is. The genuine error is to quit attempting.

Society already possesses the psychological techniques needed to obtain universal observance of a code - a code which would guarantee the success of a community or state. The difficulty is that these techniques are in the hands of the wrong people-or, rather, there aren't any right people.

Men build society and society builds men.