What was most significant about the lunar voyage was not that men set foot on the moon but that they set eye on the earth.

A human being fashions his consequences as surely as he fashions his goods or his dwelling. Nothing that he says, thinks or does is without consequences.

The American people today are involved in a warfare more deadly than the war in Vietnam, but few of them seem aware of it and even fewer of them are doing anything about it. This is a war that is being waged against the American environment, against our lands, air, and water, which are the basis of that environment.

If news is not really news unless it is bad news, it may be difficult to claim we are an informed nation

Although a man may have no jurisdiction over the fact of his existence, he can hold supreme command over the meaning of existence for him.

The most costly disease is boredom costly for both individual and society.

The main trouble with despair is that it is self-fulfilling. People who fear the worst tend to invite it. Heads that are down can't scan the horizon for new openings. Bursts of energy do not spring from a spirit of defeat. Ultimately, helplessness leads to hopelessness.