Metaphysical ghosts cannot be killed, because they cannot be touched; but they may be dispelled by dispelling the twilight in which shadows and solidities are easily confounded. The Vital Principle is an entity of this ghostly kind; and although the daylight has dissipated it, and positive Biology is no longer vexed with its visitations, it nevertheless reappears in another shape in the shadowy region of mystery which surrounds biological and all other questions.

A man may be variously accomplished, and yet be a feeble poet.

The real people of genius were resolute workers not idle dreamers.

Character is built out of circumstances. From exactly the same materials, one man builds palaces, while another builds hovels.

Ideas are forces; our acceptance of one determines our reception of others.

Genius is rarely able to give any account of its own processes.

Not only the individual experience slowly acquired, but the accumulated experience of the race, organized in language, condensed in instruments and axioms, and in what may be called the inherited intuitions--these form the multiple unity which is expressed in the abstract term "experience.