The problem of far greater importance remains to be solved. Rather than build a world in which we shall all live well, we must stop building one in which it will be impossible to live at all.

Do not intervene between a person and the consequences of their own behavior.

Something doing every minute' may be a gesture of despair-or the height of a battle against boredom.

When we say that a man controls himself, we must specify who is controlling whom.

A vast technology has been developed to prevent, reduce, or terminate exhausting labor and physical damage. It is now dedicated to the production of the most trivial conveniences and comfort.

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

A culture must be reasonably stable, but it must also change, and it will presumably be strongest if it can avoid excessive respect for tradition and fear of novelty on the one hand and excessively rapid change on the other.