Throw moderation to the winds, and the greatest pleasures bring the greatest pains.

Happiness does not reside in strength or money; it lies in rightness and many-sidedness.

If your desires are not great, a little will seem much to you; for small appetite makes poverty equivalent to wealth.

Nothing exists but atoms and the void.

Our sins are more easily remembered than our good deeds.

Soul and intellect are just the same things.

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.