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

We live in a decaying age. Young people no longer respect their parents. They are rude and impatient. They frequently inhabit taverns and have no self control.

I do not look upon human beings as good or bad.

Nature is trying very hard to make us succeed, but nature does not depend on us. We are not the only experiment.

It is one of the strange facts of experience that when we try to think about the future, our thoughts jump backwards. It may well be that nature has some fundamental metaphysical law by which opening up what we call the future also opens up the past in equal degree.

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

By 2000, politics will simply fade away. We will not see any political parties.