help others to it, why, then, ought not a man to begin with himself? since no man can be more bound to look after the good of another than after his own; for Nature cannot direct us to be good and kind to others, and yet at the same time to be unmerciful and cruel to ourselves. Thus as they define virtue to be living according to Nature, so they imagine that Nature prompts all people on to seek after pleasure as the end of all they do.

They also observe that in order to our supporting the pleasures of life, Nature inclines us to enter into society; for there is no man so much raised above the rest of mankind as to be the only favourite of Nature, who, on the contrary, seems to have placed on a level all those that belong to the same species. Upon this they infer that no man ought to seek his own conveniences so eagerly as