The lover of nature is he whose inward and outward senses are still truly adjusted to each other; who has retained the spirit of infancy even into th… - Ralph Waldo Emerson

In fact, it is as difficult to appropriate the thoughts of others as it is to invent.

If the colleges were better, if they ... had the power of imparting valuable thought, creative principles, truths which become powers, thoughts which become talents, — if they could cause that a mind not profound should become profound, — we should all rush to their gates: instead of contriving inducements to draw students, you would need to set policy at the gates to keep order in the in-rushing multitude.

Though love repine, and reason chafe, There came a voice without reply,— "'T is man's perdition to be safe When for the truth he ought to die."