Every philosophy is tinged with the coloring of some secret imaginative background, which never emerges explicitly into its train of reasoning.

Learning preserves the errors of the past as well as its wisdom.

The only use of knowledge of the past is to equip us for the present.

But harmony is limitation. Thus rightness of limitation is essential for growth of reality. Unlimited possibility and abstract creativity can procure nothing.

The factor in human life provocative of a noble discontent is the gradual emergence of a sense of criticism, founded upon appreciation of beauty, and of intellectual distinction, and of duty.

Speak out in acts; the time for words has passed, and only deeds will suffice.

Problems are only opportunities in disquise.