夫大寒至，霜雪降，然后知松柏之茂也。
【大意】等到大寒节气到来时，冰霜寒雪从天而降，然后才能知道只有松柏能经得住严寒考验，依然繁茂。
The truth is: the natural world is changing. And we are totally dependent on that world. It provides our food, water and air. It is the most precious thing we have and we need to defend it.
经验是我们给自己的错误起的名字。
We need to move from shareholder capitalism to stakeholder capitalism.
没有比真理更高的神。
The way positive reinforcement is carried out is more important than the amount.
唯一能战胜厄运的就是努力工作。
可持续性不是成本中心；而是我们这代人尚未开发的最大利润池。