人生的意义在于人自己赋予它的意义。
Life has no meaning a priori. It is up to you to give it a meaning.
我歌唱不是因为我看不见，而是因为我有声音。
学得越多，知道得越多；知道得越多，忘记得越多；忘记得越多，知道得越少。那么，为什么要学习呢？
The history of science is the history of men correcting their mistakes.
"The beauty of literature is that it allows us to live a thousand lives in one."
Investing in cleaner coal technology is an investment in the future of energy.
朋友能提供的唯一帮助，就是通过举一面镜子让你看到自己高尚的形象，从而保持勇气。