数学中最重要的技能是提出正确问题的能力。
The most important skill in mathematics is the ability to ask the right questions.
今天我们种下的每一棵树都是留给后代的遗产。
唯一真正的智慧是自知无知。
On pricing: "There are two kinds of companies， those that work to try to charge more and those that work to charge less. We will be the second."
The strongest principle of growth lies in human choice.
我不抱怨，不找借口，我只是继续前进。