Words are like shadows, and shadows are like words: they say nothing, they only repeat what we want to hear.
词语如同影子，影子如同词语：它们什么都不说，它们只是重复我们想听的话。
在科学中最激动人心的短语，预示着新发现的，不是“我找到了！”而是“这有点奇怪……”
My stomach is a knot of sorrow and anger, but I keep smiling.
The essence of mathematics is not just in solving problems but in asking the right questions.
Have an aim in life，or your energies will all be wasted.
There is no such thing as a small moment; every moment contains eternity.