The two most important days in your life are the day you are born and the day you find out why.
世俗的君子,如果他很穷你却说他很富,他就会发怒;如果他不义你却说他有义,就很高兴。 
梦想是为了成为现实而存在的。
经济学家的角色既是科学家,又是工程师。