Enthusiasm is of the greatest value, so long as we are not carried away by it.

Let us seek to fathom those things that are fathomable and reserve those things which are unfathomable for reverence in quietude.

When she sees the leaves fall, they raise no other idea in her mind than that winter is approaching.

Whoever strenuously endeavors, him we can rescue.

Superstition is the poetry of life.

The close and thoughtful observer more and more learns to recognize his limitations. He realizes that with the steady growth of knowledge more and more new problems keep on emerging.

Great thoughts and a pure heart, that is what we should ask from God.