Of many large volumes the index is the best portion and the usefullest. A glance through the casement gives whatever knowledge of the interior is needful. An epitome is only a book shortened; and as a general rule, the worth increases as the size lessens.

A good reader is nearly as rare as a good writer. People bring their prejudices, whether friendly or adverse. They are lamp and spectacles, lighting and magnifying the page.

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.

It is that faculty by which we discover and enjoy the beautiful, the picturesque, and the sublime in literature, art, and nature; which recognizes a noble thought, as a virtuous mind welcomes a pure sentiment by a involuntary glow of satisfaction. But while the principle of perception is inherent in the soul, it requires a certain amount of knowledge to draw out and direct it.

Some imitation is involuntary and unconscious.

Criticism must never be sharpened into anatomy. The delicate veins of fancy may be traced, and the rich blood that gives bloom and health to the complexion of thought be resolved into its elements. Stop there. The life of the imagination, as of the body, disappears when we pursue it.

It is supposable that, in the eyes of angels, a struggle down a dark lane and a battle of Leipsic differ in nothing but excess of wickedness.