证明是一种用于使他人相信数学陈述为真的工具。
A proof is a device for convincing someone else that a mathematical statement is true.
我们一起经历了这么多，这正是让我们变得强大的原因。
I always believed that if you put in the work, the results will come.
"The act of writing is an act of hope."
I'm not a businessman; I'm a business, man.