in addition to the conditions under which life is given to man on earth, and partly out of them, men constantly create their own, self-made conditions, which, their human origins notwithstanding, possess the same conditioning power as natural things. whatever touches or enters into a sustained relationship with human life immediately assumes the character of a condition of human existence. this is why men, no matter what they do, are always conditioned beings. whatever enters the human world of its own accord or is dra