我们一起经历了这么多，这正是让我们变得强大的原因。
We've been through so much together, and that's what makes us strong.
The most important thing in mathematics is to ask the right questions.
These walls are kind of funny like that. First you hate them, then you get used to them. Enough time passed, get so you depend>
Life is brief， and then you die， you know？