To waste, to destroy our natural resources, to skin and exhaust the land instead of using it so as to increase its usefulness, will result in undermining in the days of our children the very prosperity which we ought by right to hand down to them amplified and developed. – Theodore Roosevelt, seventh annual message, 3 December 1907

Your outlook upon life, your estimate of yourself, your estimate of your value are largely colored by your environment. Your whole career will be modified, shaped, molded by your surroundings, by the character of the people with whom you come in contact every day… – Orison Swett Marden

A strong, successful man is not the victim of his environment. He creates favorable conditions. His own inherent force and energy compel things to turn out as he desires. – Orison Swett Marden

We live in a web of ideas, a fabric of our own making. – Joseph Chilton Pearce