In the end, we will remember not the words of our enemies, but the silence of our friends.
最终，我们记住的不是敌人的话语，而是朋友的沉默。
Quality is not just the absence of defects; it is the presence of value.
The path to clean energy begins with making current practices cleaner.
I never think about the future. It comes soon enough.
我们必须超越碳信用——真正的影响来自全面的土地管理。
To find out what one is fitted to do, and to secure an opportunity to do it, is the key to happiness.
如果你想理解一个系统，试着改变它。