译文：一个人处世应该时刻反思自己的言行，因为祸福如影随形。赏析：善恶随人作，祸福自己招。处事要多反思自己的言行是否得当，因为祸福就在转瞬之间发生。
切勿对已经敞开心胸的人闭上双唇。
The best investments are often the ones that are the most boring.
The concept of NP-completeness has provided a powerful tool for understanding the complexity of computational problems.
The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.