The ultimate situations - death, chance, guilt, and the uncertainty of the world - confront man with the reality of his existence.
数学家最好的作品是艺术,一种高度完美的艺术,像想象的最秘密的梦想一样大胆,清晰而透明。
Every tree planted today is a legacy for generations we will never meet.
多倾听你的客户,而不是对他们说话 - 他们会告诉你你需要知道的东西。