Our notion of symmetry is derived form the human face. Hence, we demand symmetry horizontally and in breadth only, not vertically nor in depth.

Since we cannot be universal and know all that is to be known of everything, we ought to know a little about everything. For it is far better to know something about everything than to know all about one thing. This universality is the best. If we can have both, still better; but if we must choose, we ought to choose the former.

Look for the truth, it wants to be found.

Small minds are concerned with the extraordinary, great minds with the ordinary.

Amusement that is excessive and followed only for its own sake, allures and deceives us.

Continuous eloquence is tedious.

Let man then contemplate nature in full and lofty majesty, and turn his eyes away from the mean objects which surround him. Let him look at the dazzling light hung aloft as an eternal lamp to lighten the universe; let him behold the earth, a mere dot compared with the vast circuit which that orb describes, and stand amazed to find that the vast circuit itself is but a very fine point compared with the orbit traced by the starts as they roll their course on high.