译文：月亮过了十五后，就逐渐不明亮了，人到了中年之后，做什么事都难以有大作为。赏析：青少年是人生最美好的时期，这个时期精力最旺盛，记忆力最强，也是人生最该努力奋斗的时候。
"Memory is a tricky thing - it can be both a prison and a liberation."
书籍的魔力在于它们可以带你去任何地方。
Curiosity is the engine that drives scientific progress.
The only way to escape the weight of history is to write about it.
Growth is painful but necessary.
The concept of computational complexity is not just about how fast we can compute, but also about understanding the limits of what can be computed.