The more he experiences life, the more he will realize the changeability of life and therefore his yearning will be for something which he can lean upon and to attain that which would last and give pleasure so that he may count upon it after the great diversity of life. Certainly there is no doubt that life is intoxicating and in its spells of intoxication he does not care for constancy, but only experience. But after these spells - although they may be only for hours or days or even for years, still they are but spells of intoxication - he realizes they are illusions.