The truth is a weapon, and like any weapon, it can be used for good or ill.
质量不是一种行为,而是一种习惯。
凡是创作古文,必须推究前代文章的本意,以此形成自己的言论。
你必须对自己的能力有信心,然后足够坚强地坚持下去。
The interplay between discrete and continuous mathematics is where some of the most interesting problems lie.