Our sins are more easily remembered than our good deeds.

We think there is color, we think there is sweet, we think there is bitter, but in reality there are atoms and a void.

One great difference between a wise man and a fool is, the former only wishes for what he may possibly obtain; the latter desires impossibilities.

I am the most travelled of all my contemporaries; I have extended my field of enquiry wider than anybody else, I have seen more countries and climes, and have heard more speeches of learned men. No one has surpassed me in the composition of lines, according to demonstration, not even the Egyptian knotters of ropes, or geometers.

It is hard to fight against anger: to master it is the mark of a rational man.

Poverty in a democracy is as much to be preferred to what is called prosperity under despots, as freedom is to slavery.

Hope of ill gain is the beginning of loss.