Is there not a certain satisfaction in the fact that natural limits are set to the life of the individual, so that at the conclusion it may appear as a work of art?

(Reply on what constitutes scientific proof:)"The question is much too difficult for me.

The truth of a theory can never be proven, for one never knows if future experience will contradict its conclusions.

The measure of intelligence is the ability to change.

Marriage is but slavery made to appear civilized.

The release of atomic energy has not created a new problem. It has merely made more urgent the necessity of solving an existing one.

A single bomb of this type, carried by boat and exploded in a port, might very well destroy the whole port, together with some of the surrounding territory.