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.
"The world is full of obvious things which nobody by any chance ever observes."
解析：圣人之道其实每个人心中都具备。
"We are all the heroes of our own stories."
成功是对所有怀疑者最好的报复。