大部分公司都不能永久地成功下去。他们犯了什么根本性错误么？他们通常没有把握好未来。
Lots of companies don’t succeed over time. What do they fundamentally do wrong? They usually miss the future.
The most important thing in mathematics is to understand the concepts, not just to memorize formulas.
唯一交到朋友的方法就是自己先成为朋友。
一个人倘若不为自己思考，那就从未思考过。
The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants.
"Leadership is not about being in charge. It's about taking care of those in your charge."
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.