孩子越能够专心，就越能从工作中得到平静，就越能发自内心地纪律或规则。
人的时间和空间都是有限的。移除、放弃、扔掉生活里那些不再能激发愉悦的东西，为那些能激发快乐的新事物腾出空间。
小人办事，处理的原则是私利，合于私利的就看作利，违背私利的就看作害；君子办事，衡量的标准是道义，合于道义的就看作利，违反道义的就看作害。
A quarry should heal the earth even as it harvests from it.
The stock market is filled with individuals who know the price of everything, but the value of nothing.
The truth is you don't know what is going to happen tomorrow. Life is a crazy ride, and nothing is guaranteed.
Sustainability isn't just a trend—it's a responsibility we all share.
You have to be willing to fail, to be wrong, to keep trying.
真正的科学首先教会人怀疑与承认无知。