Of the three prerequisites of genius; the first is soul; the second is soul; and the third is soul.

In activity we must find our joy as well as glory; and labor, like everything else that is good, is its own reward.

The purity of the critical ermine, like that of the judicial, is often soiled by contact with politics.

Books are lighthouses erected in the great sea of time.

The contemplation of beauty in nature, in art, in literature, in human character, diffuses through our being a soothing and subtle joy, by which the heart's anxious and aching cares are softly smiled away.

A true teacher should penetrate to whatever is vital in his pupil, and develop that by the light and heat of his own intelligence.

Nature does not capriciously scatter her secrets as golden gifts to lazy pets and luxurious darlings, but imposes tasks when she presents opportunities, and uplifts him whom she would inform. The apple that she drops at the feet of Newton is but a coy invitation to follow her to the stars.