Those whose thinking is disciplined by science, like all others, need a basis for the good life, for aspiration, for courage to do great deeds. They need a faith to live by. The hope of the world lies in those who have such faith and who use the methods of science to make their visions become real. Such visions and hope and faith are not a part of science.

To make the moral achievement implicit in science a source of strength to civilization, the scientist will have to have the cooperation also of the philosopher and the religious teacher.

It is primarily through the growth of science and technology that man has acquired those attributes which distinguish him from the animals, which have indeed made it possible for him to become human.

Science can have no quarrel with a religion which postulates a God to whom men are His children.

Twenty thousand years ago the family was the social unit. Now the social unit has become the world, in which it may truthfully be said that each person's welfare affects that of every other.

If co-operation, is thus the lifeblood of science and technology, it is similarly vital to society as a whole.

The story is told of Lord Kelvin, a famous Scotch physicist of the last century, that after he had given a lecture on atoms and molecules, one of his students came to him with the question, "Professor, what is your idea of the structure of the atom." "What," said Kelvin, "The structure of the atom? Why, don't you know, the very word 'atom' means the thing that can't be cut. How then can it have a structure?" "That," remarked the facetious young man, "shows the disadvantage of knowing Greek."