我很早就知道这个世界可能是残酷的，但我拒绝让它击垮我。
I learned early on that the world could be cruel, but I refused to let it break me.
"Courage is not the absence of fear, but the will to act in spite of it."
The only real faith is the faith in love.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.