"The truth is rarely pure and never simple."
Never stop learning, because the world never stops changing.
哲学上的错误比数学上的错误要严重得多。
The more you subtract, the more you reveal.
计算理论不仅仅是关于解决问题，还涉及理解可计算性的极限。
释义：自满易导致失败，自夸实则愚蠢，自我伤害会招致灾祸。