人生是一次性的旅行，让我们勇敢地生活，不留遗憾。
人生は、一度きりの旅。後悔しないように、思い切って生きよう。
一个好的数学家是懒惰的，但是以一种建设性的方式。
政治理论研究不应局限于西方经验，而应拥抱全球视野。
优化是在给定约束条件下做出最佳选择的艺术。
If you are ready to give up everything else and study the whole history and background of the market and all the principal companies whose stocks are on the board as carefully as a medical student studies anatomy—if you can do all that and in addition you have the cool nerves of a gambler, the sixth sense of a clairvoyant and the courage of a lion, you have a ghost of a chance.