It is all a question of sensitiveness. Brute force and overbearing may make a terrific effect. But in the end, that which lives lives by delicate sensitiveness. If it were a question of brute force, not a single human baby would survive for a fortnight. It is the grass of the field, most frail of all things, that supports all life all the time. But for the green grass, no empire would rise, no man would eat bread: for grain is grass; and Hercules or Napoleon or Henry Ford would alike be denied existence.