It is excellent discipline for an author to feel that he must say all that he has to say in the fewest possible words, or his readers is sure to skip them.

Great nations write their autobiographies in three manuscripts - the book of their deeds, the book of their words and the book of their art.

Science deals exclusively with things as they are in themselves; and art exclusively with things as they affect the human sense and human soul.

The truth of Nature is a part of the truth of God; to him who does not search it out, darkness; to him who does, infinity.

Your labor only may be sold, your soul must not.

No individual rain drop ever considers itself responsible for the flood.

But if, indeed, there be a nobler life in us than in these strangely moving atoms; if, indeed, there is an eternal difference between the fire which inhabits them, and that which animates us,--it must be shown, by each of us in his appointed place, not merely in the patience, but in the activity of our hope, not merely by our desire, but our labor, for the time when the dust of the generations of men shall be confirmed for foundations of the gates of the city of God.