Selfishness is unnecessary. War is obsolete.

Wealth is the product of energy times intelligence: energy turned into artifacts that advantage human life.

How often I found where I should be going only by setting out for somewhere else.

Man is going to be displaced altogether as a specialist by the computer. Man himself is being forced to reestablish, employ, and enjoy his innate 'comprehensivity.

It is the integrity of each individual human that is in final examination. On personal integrity hangs humanity's fate.

Wealth is a measure of a person's ability to survive so many days forward.

Whatever humans have learned had to be learned as a consequence only of trial and error experience. Humans have learned only through mistakes.