要养活世界，我们必须首先尊重使农业成为可能的自然循环。
To feed the world, we must first respect the natural cycles that make farming possible.
"The world is a book, and those who do not travel read only one page."
种一棵树最好的时间是20年前，第二好的时间就是现在。
The power of mathematics is in its abstraction, allowing us to see patterns and connections that are not immediately obvious.
"The beauty of literature lies in its ability to reveal the universal through the particular."
穷人常常不得不做出比富人更复杂的财务决策。