城市的穷人就像树的根；看不见，但对它的生命至关重要。
“死者直到被遗忘才真正死去。”
The universe is asymmetric and I am persuaded that life, as it is known to us, is a direct result of the asymmetry of the universe or of its indirect consequences.
The happiness of a married man depends on the people he has not married.
The best preparation for tomorrow is doing your best today.
数学是理性的音乐。
我不知道第三次世界大战会使用什么样的武器，但是我知道第四次世界大战会使用木棍和石块。
技术将彻底改变我们进行能源开采的方式。
Regulatory challenges are not barriers; they are guardrails for excellence.