种一棵树最好的时间是20年前，其次是现在。
The best time to plant a tree was 20 years ago; the second-best time is now.
I'm the reason your past won't go.
区分竞争的本质。
编程的艺术是组织复杂性的艺术，是掌握多样性并尽可能有效地避免其混乱的艺术。
"Success is not final, failure is not fatal: It is the courage to continue that counts."
书籍是时间的容器，它们保存着过去的思想和情感，供未来的读者探索。