The mind is nature's masterpiece of adaptation.
金银像其他商品一样具有内在价值,这不是任意的,而是取决于它们的稀缺性、获取它们所耗费的劳动量以及生产它们的矿山所投入的资本价值。
永远不要停止学习,因为世界永远不会停止变化。
The artist must be a shadow of the infinite.
The true measure of a man is how he treats someone who can do him absolutely no good.