第一代杂种的同一性，第二代的不相似性，是精确观察者无法忽视的事实。
The uniformity of the hybrids in the first generation, the dissimilarity in the second, are facts which cannot escape the attention of an accurate observer.
在每个字里，都有作家灵魂的一部分。
生活是一部没有作者的小说。
"The truth is rarely pure and never simple."
A mathematician's work is never done; there are always new questions to ask and new mysteries to solve.
成为你希望在世界上看到的变化。