"Well, my first point is that through a mixture of conditions of which the family is the first, there are these two sorts of brains. One sort takes human nature as it finds it, uses its timidity, its weakness, and its strength for its own ends. Opposed is the man who, being spiritually unmarried, continually seeks for new systems that will control or counteract human nature. His problem is harder. It is not life that's complicated, it's the struggle to guide and control life.