Waste not the smallest thing created, for grains of sand make mountains, and atomies infinity. – E.Knight

It appears to be a law that you cannot have a deep sympathy with both man and nature. – Henry David Thoreau, Walden, 1854

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

Water flows uphill towards money. – Anonymous, saying in the American West, quoted by Ivan Doig in Marc Reisner, Cad