Form may be of more account than substance. A lens of ice will focus a solar beam to a blaze.

Degree is much: the whole Atlantic might be lukewarm and never boil us a potato.

Doubt is the beginning, not the end, of wisdom.

Educated folk keep to one another's company too much, leaving other people much like milk skimmed of its cream.

A tree nowhere offers a straight line or a regular curve, but who doubts that root, trunk, boughs, and leaves embody geometry?

When we try to imagine a chaos we fail. ... In its very fiber the mind is an order and refuses to build a chaos.

Discovery begins by finding the discoverer.