在数学中,从问题到答案的旅程往往比答案本身更具启发性。
In mathematics, the journey from question to answer is often more enlightening than the answer itself.
真正的进步发生在我们平衡经济增长与环境管理之时。
I will tell you what I will do and what I will not do. I will not serve that in which I no longer believe whether it call itself my home, my fatherland, or my church: and I will try to express myself in some mode of life or art as freely as I can and as wholly as I can, using for my defence the only arms I allow myself to use—silence, exile, and cunning.