The general struggle for existence of animate beings is not a struggle for raw materials nor for energy which exists in plenty in the form of heat, unfortunately untransformably, in every body; it is a struggle for entropy, which becomes available through the transition of energy from the hot sun to the cold earth.
生物为生存而进行的普遍斗争，不是为了原材料，也不是为了能量——能量以热的形式大量存在于每个物体中（可惜无法转化）；而是为了熵，它通过能量从炽热的太阳转移到寒冷的地球而变得可用。
A good system design is one that makes it easy to do the right thing and hard to do the wrong thing.
一个好的系统设计是使做正确的事情变得容易，做错误的事情变得困难。
"最好的摄影是那种你不会注意到的。"
I don't sing because I'm happy. I'm happy because I sing.
I've learned that you can't control everything in your life, but you can control how you react to it.
"We are all of us made by what we have lost as much as what we have gained."
The steel industry must embrace sustainability to survive in the 21st century.