解释：货卖完了才知道不足，是由于不懂得计量；事情结束了才知道有余，是由于不懂得调节。
I don't want to be a leader. I want to be a learner.
如果不是现在，那是什么时候？如果不是我，那会是谁？
保持一颗闲适的心，随遇而安。
财富是人类思考能力的产物。
The key to security is not to trust anyone, including yourself.
The greatest gift you can give someone is your time.
"The past is not a place but a condition."
Understanding the psychology of risk can help us make better decisions in uncertain situations.
