如果我给你一个芬尼(德国铜币，现已被欧元取代)，你富裕了一芬尼，而我贫困了一芬尼；然而我给你一个想法，你多了新的想法，而我却并没损失。
原文:If I give you a pfennig, you will be one pfennig richer and I'll be one pfennig poorer. But if I give you an idea, you will have a new idea, but I shall still have it, too.