伟大的事业通常伴随着巨大的风险。
Great deeds are usually wrought at great risks.
Quality is not just the absence of defects; it is the presence of value.
不要让昨天占据今天太多时间。
Man is born free， and everywhere he is in chains.
The best leaders in this industry understand both the earth and the people who work it.
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
历史不是发生了什么，而是我们记住了什么以及如何记住它。