质量是免费的。它不是礼物，但它是免费的。花钱的是那些不质量的东西——所有那些没有第一次就把工作做好的行为。
Quality is free. It's not a gift, but it's free. What costs money are the unquality things -- all the actions that involve not doing jobs right the first time.
Sustainability is no longer an option; it's a necessity for the future of leather tanning.
You can't change the past, but you can create the future.
教室是一个知识和权力相交的争议空间。
行义不是为了躲避诋毁、获得荣誉，如果离开是符合道义的，背上狂妄的名声又有什么影响呢？
The best science often comes from asking the simplest questions.
领导力的真正衡量标准是影响力，而不是权力。
他凝视著生命，恰如生命之凝视自身。