It is sublime to think and say of another, I need never meet, or speak, or write to him: we need not reinforce ourselves, or send tokens of remembrance; I rely on him as on myself: if he did thus and thus, I know it was right.

Coal is a portable climate.

Machinery is aggressive. The weaver becomes a web, the machinist a machine. If you do not use the tools, they use you. All tools are in one sense edge-tools, and dangerous.

Why needs a man be rich? Why must he have horses, fine garments, handsome apartments, access to public houses, and places of amusement? Only for want of thought.

I know and see too well, when not voluntarily blind, the speedy limits opersons called high and worthy.

When nature has work to be done, she creates a genius to do it.

The essence of friendship is entireness, a total magnanimity and trust.