To do mathematics is to explore an infinite landscape of ideas.
做数学就是探索一个无限的思想景观。
充分发挥人的天性禀赋，发挥得越多越好：运用天性去穷究物理，极尽智力，通达自然，思惟神妙，造就豁达的胸怀和高洁的品德；尽量压抑人的情感欲望，遏制到越少越好：管束自己去谨慎说话，持重办事，约束自身，心地高洁，还要节衣缩食并减少情欲和嗜好。
If you want to go fast, go alone. If you want to go far, go together.
我在正确的轨道上，宝贝，我生来如此。
如果不符合现实，最优雅的理论也是无用的。
Ah, my Beloved, fill the Cup that clears TO-DAY of past Regrets and future Fears: To-morrow!—Why, To-morrow I may be Myself with Yesterday's Sev'n thousand Years.