Nature is a vast repository of manly enjoyments.

Precise knowledge is the only true knowledge, and he who does not teach exactly, does not teach at all.

The mystery of history is an insoluble problem.

No man can tell another his faults so as to benefit him, unless he loves him.

A thoughtful mind, when it sees a nation's flag, sees not the flag, but the nation itself.

Every boy wants someone older than himself to whom he may go in moods of confidence and yearning. The neglect of this child's want by grown people . . . is a fertile source of suffering.

Walking humbly, you are more of a man than you were when you walked proudly.