Reinhold Niebuhr

The mastery of nature is vainly believed to be an adequate substitute for self mastery.

Nothing that is worth doing can be achieved in a lifetime; therefore we must be saved by hope.

Goodness, armed with power, is corrupted; and pure love without power is destroyed.

We should remember that there are nations which meet more than 30 to 60% of their power requirements through the nuclear power system.

The person is always happy who is in the presence of something they cannot know in full. A person as advanced far in the study of morals who has mastered the difference between pride and vanity.

Democracy, loudly upheld as a cure for much of the ailing world, has proved no guarantor of political wisdom, even if it remains the least bad form of government.