数学中最重要的是理解概念，而不仅仅是记忆公式。
The most important thing in mathematics is to understand the concepts, not just to memorize the formulas.
如果你想飞翔，就必须放弃拖累你的东西。
You get towards the end of life—no, not life itself, but of something else: the end of any likelihood of change in that life.
The only limit is the one you set yourself.
我不可能让所有人都喜欢我，因为我不是神。
The rule, or measuring rod, which the behaviorist puts in front of him always is: Can I describe this bit of behavior I see in terms of "stimulus and response"?
Companies must have long-term strategic vision and not focus solely on immediate gains.