With characteristic wisdom Buddha made no attempt to reconcile human freedom with the supremacy of natural law. He probably saw that the opposition of freedom to law is a false antithesis,--one of the fatal by-products of the dualism of ordinary thought. One who looked at things from the standpoint of the philosophy of the Upanishads would know that the free-will riddle, which has tied Western thought into so many desperate tangles, is a mere "Idol of the Cave." He would know that the Real or Highest Self--being, ex hypothesi, universal and eternal, and therefore exempt from all external constraint--is absolutely free. He would know that the Real Self is present in potency in each individual life, and that every "living soul" is, therefore, potentially free. He would know, further, that the development of the soul, in the direction of its own true self, is always marked by the outgrowth of freedom; and he would infer from this that freedom varies, in the degree of its development, from soul to soul, and that, speaking generally, it is lost or won by conduct. But though no man is absolutely free, and though in most men freedom has but a rudimentary existence, he would realize that the best way to foster
its growth is to postulate its existence and appeal to it, as the wise teacher always appeals (though here too he is probably appealing to what has but a rudimentary existence) to a man's better self. In fine, far from teaching that freedom is incompatible with law, he would realize that the law of the growth of freedom--the seemingly paradoxical law that freedom, without which moral action is impossible, is itself generated by moral action--is one of the master laws of human life. Whether Buddha did or did not accept the ideas of the Upanishads, is a question which will presently be considered. Meanwhile, it is enough to know that, with his own practical ends in view, he not only postulated freedom in man, but--by bringing the inward life under the dominion of natural law, and so excluding from it all extraneous influences--he laid a tremendous burden on the human will; for he told men that it rested with them, and with them only, to determine what course the process of their development should take, and how long their pilgrimage on earth (from life to life) should last.
Now the first and last of Nature's laws is that of growth; and the teacher who brings the inner life of man under the dominion of natural law brings it also, by implication, under the dominion of the law of growth. Wherever there is life there is growth; in other words, there is a gradual passage from embryonic existence to maturity, from the seed-state, in which all the potentialities of future perfection are wrapped up, to perfection itself,--the perfection of the particular species or type.