你永远不知道你的坏运气为你避免了什么更糟糕的运气。
数学之美不仅在于其抽象的优雅,还在于其建模和解决现实世界问题的深刻能力。
The companies that will thrive are those that see environmental challenges as design opportunities.
I wish I could write as mysterious as a cat.
举一个例子尚且不明白,就不要追求见多识广。