I believe the intellect to take the same course of development in the individual as in the mass, as also that the thoughts which serve as a basis for philosophical theories are an inseparable part of that intellect, and that every man must be more or less conscious of those thoughts before he can know anything of the existence of philosophical theories. To my own mind those thoughts presented themselves with such clarity and force that I tried to apply them to life, in the fond belief that I was the first to have discovered such splendid and invaluable truths.

Sometimes I would suppose that happiness depends, not upon external causes themselves, but only upon our relation to them, and that, provided a man can accustom himself to bearing suffering, he need never be unhappy. To prove the latter hypothesis, I would