The things which hurt, instruct.

Your best investment is to pour your purse into your head, and no one can take it away from you.

The way to wealth is as plain as the way to market. It depends chiefly on two words, industry and frugality: that is, waste neither time nor money, but make the best use of both. Without industry and frugality nothing will do, and with them everything.

Singularity in the right hath ruined many; happy those who are convinced of the general opinion.

That which resembles most living one's life over again, seems to be to recall all the circumstances of it; and, to render this remembrance more durable, to record them in writing.

If all but myself were blind, I should want neither a fine house nor fine furniture.

In short, I conceive that great part of the miseries of mankind are brought upon them by the false estimates they have made of the value of things, and by their giving too much for their whistles.