真正的成长来自于挑战现状，而不仅仅是维持现状。

我不害怕死亡，我害怕不去尝试。

Understanding the limits of computation is as important as understanding its possibilities.

如果我们挑选出人类中最聪明、最具想象力、最精力充沛且情绪最稳定的三分之一，所有种族都会包含其中。

You have to be willing to fail, to be wrong, to start over again with lessons learned.

出自北齐·颜之推《颜氏家训·勉学》。不管是愚人还是聪明人，总想自己见多识广，但不肯读书，这就等于想吃饱饭却懒得做饭，想穿暖却懒得缝制衣服。