生活是一种人人须学而无人能教的艺术。
To live remains an art which everyone must learn，and which no one can teach.
唯一真正的智慧在于知道自己一无所知。
皱纹应当只是微笑留下的印记。
Understanding the psychology of decision-making can help us make better choices in life.
伟大的领导者倾听多于发言，行动多于计划。