石油和天然气在未来几十年仍将是能源结构的一部分，但我们必须尽可能清洁地生产它们。
贫穷不是性格缺陷，而是系统性困境。
酸和碱不是绝对的，而是相对的。
我是另一个。如果铜醒来变成号角，那不是它的错。这对我来说很明显：我见证着我的思想的绽放：我看着它，我听着它：我拉一下琴弓：交响乐在深处骚动，或者一跃登上舞台。
You should avoid sloth and unreliability.
Editing is the final rewrite of the script.
"Life is what happens when you're busy making other plans."
The world is indeed full of peril, and in it there are many dark places; but still there is much that is fair, and though in all lands love is now mingled with grief, it grows perhaps the greater.