数学是一门活生生的学科,随着新的思想和发现不断演变。
I think the best thing about music is that it can make you feel things that you didn't even know you could feel.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
最重要的教育原则是不要爱惜时间,要浪费时间。
I'm like a dog, I don't speak but I understand.