Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
最终，我们记住的不是敌人的话语，而是朋友的沉默。
Fearless is not the absence of fear. It's not being completely unafraid. It's having a lot of fears, but jumping anyway.
停止外在的攀缘，内心不再起伏波动，心像墙壁一样静止不动，这样才能进入佛道。
To love is to risk, but it is a risk worth taking.