我总是很高兴地想到，我的教育大部分是非正式的，并且根植于土壤中。
I am always glad to think that my education was, for the most part, informal, and had its roots in the soil.
我们必须从一开始就考虑产品的生命周期终结问题。
"The best way to get over a broken heart is to write a book."
No matter what people tell you, words and ideas can change the world.
A mathematician's intuition is as important as rigorous proof.
Now, my mama always told me that miracles happen every day. Some people don't think so, but they do.