黑暗无法驱走黑暗，只有光可以；仇恨无法消除仇恨，只有爱能做到。
"写作是一种勇气，敢于面对自己的内心和世界的真相。"
The only time you should ever look back is to see how far you've come.
I’m not perfect, and I don’t pretend to be.
Intelligence is what you use when you don't know what to do.
科学因怀疑和质疑而繁荣。
学习数学的最好方法就是做数学。