理解数学就是掌握宇宙的语言。
To understand mathematics is to speak the language of the universe.
坚持很重要， 永远不要放弃，除非不得已。
We are what we pretend to be, so we must be careful about what we pretend to be.
你读得越多，知道的东西就越多。你学得越多，去的地方就越多。