不存在所谓的质量问题。只有问题，而这些问题的解决方案可能涉及质量考虑。
I'm the definition of a trend, I'm the reason you're fired, I'm the reason you're hired.
做官的人应为肩负天下重任而养身，而不是为私家小利惜身。省却嗜好欲念，减除烦恼忧虑，戒除愤怒，节制饮食，这就是养身。计较得失利益，规避辛劳哀怨，营造住宅房舍，以妻子儿女为重，这就是惜身。养生的人，不妄为而大方；惜身的人，腥膻而琐碎。
A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die, and a new generation grows up that is familiar with it.