Scientific rigor must never be compromised by commercial pressures.

When one door is closed, don't you know, another is open.

一个个都说∶我是向上效法了尧、舜、夏禹、商汤、周文王、周武王的大道。”但所说的话却是互相攻击的，所行的事是截然相反的。 

平凡与非凡之间的区别就在于那一点点额外的努力。

Quality is the lifeline of an enterprise, and it should never be compromised.

To understand is to perceive patterns.