Don’t wait until they tell you you are ready. The world might say you are not allowed to yet. I waited a long time in the world before I gave myself permission to fail. Please， Don’t even bother asking， don't bothering telling the world you are ready. Show it. Do it.
不要等到别人告诉你准备好了才行动，这个世界或许会说你还不够格。我等了很久才允许自己失败。拜托，你根本不必问，不用向世界宣告你已准备就绪。展现自己，放手去做。
债券市场是市场预期的最终衡量标准。
定义就是限制。
函数是一种对应规则，通过它当给定任何东西（作为参数）时，可以获得另一个东西（该参数的函数值）。
在数学中，发现的旅程和目的地一样重要。
"Every man has his secret sorrows which the world knows not; and often times we call a man cold when he is only sad."
技术只有被使用它的人使用才有用。
Innovation is not about saying yes to everything. It's about saying no to all but the most crucial features.