Since every man desires happiness, it is evidently no small matter whether he conceives of happiness in terms of work or of enjoyment. If he work in the full ethical sense that I have attempted to define, he is pulling back and disciplining his temperamental self with reference to some standard. In short, his temperamental self is, in an almost literal sense, undergoing conversion. The whole of life may, indeed, be summed up in the words diversion and conversion. Along which of these two main paths are most of us seeking the happiness to the pursuit of which we are dedicated by our Declaration of Independence? The author of this phrase, Thomas Jefferson, remarks of himself: "I am an Epicurean."