宁静的灵魂比烦乱的灵魂更为智慧。
网络的原始理念是它应该是一个协作空间，你可以通过共享信息进行交流。
城市是一所学校，它的建筑是老师。
It seems to me that if you or I must choose between two courses of thought or action, we should remember our dying and try so to live that our death brings no pleasure to the world.
Perhaps as important is the relation between the existence of solutions to a competitive equilibrium and the problems of normative or welfare economics.