The concept of NP-completeness has provided a powerful tool for understanding the complexity of computational problems.

To live is to be marked. To live is to change, to acquire the words of a story, and that is the only celebration we mortals really know.

"Every book is a journey, and every journey changes the reader."

压力是我茁壮成长的东西。它让我表现得更好。

我不喜欢压力。我不喜欢债务。我不喜欢担心。所以我尽量买足够便宜的东西，这样如果它们不奏效，我也不会损失太多。