"It has been the resolution of mankind in all ages of the world. No people, no age, ever threw away the fruits of past wisdom, or the enjoyment of present blessings, for visionary schemes of ideal perfection. It is the knowledge of the past, the actual infliction of the present, that has produced all changes, all innovations, and all improvements — not (as is pretended) the chimerical anticipation of possible advantages, but the intolerable pressure of long-established, notorious, aggravated, and growing abuses."