数学不是观赏性运动——你必须参与其中才能欣赏它的美。
The truth is, if you ask me what I think about anything, I’ll tell you. I’m not afraid to say what I think.
最终,我们记住的不是敌人的话语,而是朋友的沉默。
Every challenge is an opportunity in disguise—if you're willing to look for it.