我知道要达到顶峰需要付出多少努力，但保持在那里需要更多。
The idea that a bell rings to signal when investors should get into or out of the stock market is simply not credible.
【解释】幸福不可强求，保持愉快的心情，更能感受到幸福；灾祸难以避免，消除怨恨他人的念头，就能远离灾祸。
The truth is rarely pure and never simple.
