NP完全性的概念为理解问题的复杂性提供了一个强大的工具。
The concept of NP-completeness has provided a powerful tool for understanding the complexity of problems.
Every man is born as many men and dies as a single one.
我喜欢买入那些不受欢迎的股票。如果一只股票受欢迎，它可能被高估了。
Quality should never be compromised for the sake of speed.
Investors should focus on what they can control: costs, diversification, and time horizon.