There is something irreversible about acquiring knowledge; and the simulation of the search for it differs in a most profound way from the reality.

Submit an agreement providing for the peaceful absorbtion of a celestial races in such a manner that our culture would remain intact with guarantee that their presence not be revealed." "One must consider the fact that mis-identification of these space craft for a intercontinental missile in a re-entry phase of flight could lead to accidental nuclear war with horrible consequences.

In the material sciences these are and have been, and are most surely likely to continue to be heroic days.

All history teaches us that these questions that we think the pressing ones will be transmuted before they are answered, that they will be replaced by others, and that the very process of discovery will shatter the concepts that we today use to describe our puzzlement.

The best way to send information is to wrap it up in a person.

In some sort of crude sense, which no vulgarity, no humor, no overstatement can quite extinguish, the physicists have known sin; and this is a knowledge which they cannot lose.

Taken as a story of human achievement, and human blindness, the discoveries in the sciences are among the great epics.