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.
始终从长远考虑。短期收益可能导致长期损失。
在科学中，最令人兴奋的短语不是“我找到了！”，而是“这很有趣...”
Every man is his own God. If you give up yourself, who else will save you? A strong man can save.
I don’t compete with others, I compete with myself.
一切都在流动，一切都在变化，没有永恒不变的东西。
