There is no permanent status quo in nature; all is the process of adjustment and readjustment, or else eventual failure. But man is the first being yet evolved on earth which has the power to note this changefulness, and, if he will, to turn it to his own advantage, to work out genetic methods, eugenic ideas, yes, to invent new characteristics, organs, and biological systems that will work out to further the interests, the happiness, the glory of the God-like being whose meager foreshadowings we the present ailing creatures are.