Jesus was not a Christian, nor was Marx a Marxist.

The best part of the art of living is to know how to grow old gracefully.

The chemistry of dissatisfaction is as the chemistry of some marvelously potent tar. In it are the building stones of explosives, stimulants, poisons, opiates, perfumes and stenches.

When we debunk a fanatical faith or prejudice, we do not strike at the root of fanaticism. We merely prevent its leaking out at a certain point, with the likely result that it will leak out at some other point.

Far more critical than what we know or what we don't know is what we don't want to know.

Those who lack the capacity to achieve much in an atmosphere of freedom will clamor for power.

Those in possession of absolute power can not only prophesy and make their prophecies come true, but they can also lie and make their lies come true.