A proof is a device for convincing someone else that a mathematical statement is true.
证明是一种用于使他人相信数学陈述为真的工具。
理解宇宙就是理解我们自己,因为我们都是由形成恒星的星尘构成的。
I’m not a guy that’s going to let my love for the respect down.
Innovation is not a choice, but a necessity for survival.