The history of men of science has one peculiar advantage, as it shows the importance of little things in producing great results. Smeaton learned his principle of constructing a lighthouse, by noticing the trunk of a tree to be diminished from a curve to a cyclinder ... and Newton, turning an old box into a water-clock, or the yard of a house into a sundial, are examples of those habits of patient observation which scientific biography attractively recommends.

The advice of a scholar, whose piles of learning were set on fire by imagination, is never to be forgotten. Proportion an hour's reflection to an hour's reading, and so dispirit the book into the student.

Philosophical studies are beset by one peril, a person easily brings himself to think that he thinks; and a smattering of science encourages conceit. He is above his companions. A hieroglyphic is a spell. The gnostic dogma is cuneiform writing to the million. Moreover, the vain man is generally a doubter. It is Newton who sees himself in a child on the sea shore, and his discoveries in the colored shells.

Genius is nourished from within and without.

Romance is the truth of imagination and boyhood. Homer's horses clear the world at a bound. The child's eye needs no horizon to its prospect. The oriental tale is not too vast. Pearls dropping from trees are only falling leaves in autumn. The palace that grew up in a night merely awakens a wish to live in it. The impossibilities of fifty years are the commonplaces of five.

A book becomes a mirror, with the author's face shining over it. Talent only gives an imperfect image,--the broken glimmer of a countenance. But the features of genius remain unruffled. Time guards the shadow. Beauty, the spiritual, Venus,--whose children are the Tassos, the Spensers, the Bacons,--breathes, the magic of her love, and fixes the face forever.

The discovery of one star is the promise of another.