幸福取决于我们自己。
我不会让任何人告诉我该做什么。
Every problem in mathematics is an opportunity to learn something new.
写作是一种不被中断的谈话方式。
Love is the only force capable of transforming an enemy into a friend.
"The power of words is that they can change the world."
你必须能够自嘲,不要把自己看得太认真。