Science books are letters from God, telling how He runs His universe.

It is not enough to have ideals. We must translate them into action. We must clear our own little corner of creation.

In the heart of the God of the universe, each child of his is as necessary to him as the fingers are to the hand.-In the marvelous design of the universe, not even a sparrow can fall to earth meaninglessly ...

It becomes essential to choose one's path. Life consists in making these choices. One develops by choosing. It requires strength to become a child of God ...