The eye of the intellect "sees in all objects what it brought with it the means of seeing."

Parliament will train you to talk; and above all things to hear, with patience, unlimited quantities of foolish talk.

Silence is the eternal duty of man.

Humor has justly been regarded as the finest perfection of poetic genius.

Man is a tool-using animal. Without tools he is nothing, with tools he is all.

A very sea of thought; neither calm nor clear, if you will, yet wherein the toughest pearl-diver may dive to his utmost depth, and return not only with sea-wreck but with true orients.

Philosophy dwells aloft in the Temple of Science, the divinity of its inmost shrine; her dictates descend among men, but she herself descends not : whoso would behold her must climb with long and laborious effort, nay, still linger in the forecourt, till manifold trial have proved him worthy of admission into the interior solemnities.