It is true, indeed, that every human being is multiple in himself, uniformly variable at every moment, constantly transformed by the incessant impetus of individual evolution throughout the fateful course of life. Are we really the same this evening as we were this morning? Or the same today as yesterday? Can we say that ten years from now we shall be anything like what we are at this moment? This diversity of individuals, as much from one to the other as within each one, very naturally comes from the proportion of constancy or variability evinced by each character in the existential rhythm of his perceptions and reactions.

- Georges Ramié, 1985