The main fuel to speed the world's progress is our stock of knowledge, and the brake is our lack of imagination.
Julian SimonThe world's problem is not too many people, but lack of political and economic freedom.
Julian SimonBecause we can expect future generations to be richer than we are, no matter what we do about resources, asking us to refrain from using resources now so that future generations can have them later is like asking the poor to make gifts to the rich.
Julian Simon