The first step in quality improvement is to understand what the customer really wants.

用心才能明白道理，而用心要保持虚空、专一而安静。荀子认为，人们在以前已经学到了一些知识的情况下，再学新东西的时候，容易犯经验主义的错误。生活中也是这样，我们在遇到一件事时，总是容易按以往的经验去判断，这样可能是错的。最好能保持虚空的状态，专心地看待这件事，然后可以想想是否可以借鉴以往的经验。

Collaboration across disciplines is essential for the advancement of quantum computing.

自守表示的研究是理解朗兰兹猜想的关键。

Be thankful for what you have; you’ll end up having more. If you concentrate on what you don’t have, you will never, ever have enough.