The past is a foreign country; they do things differently there.

数学之美在于它能够以精确而优雅的方式描述世界。

"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors."

在商业中，如果你不前进，你就在落后——可持续性现在是进步的方向。

每一次失败都离答案更近一步。