“自强不息”出于《周易.乾》“:天行健,君子以自强不息”。天上的日月在不断运行,这就是“天行健”的意思。君子效法天,要像天那样不断运行,不断努力。“厚德载物”见《易.坤》“:地势坤,君子以厚德载物。”土地的地势就是厚广,可以承载万物,君子取法地,要积累道德,方能承担社会责任。 “Self-improvement ” out of “Book of Changes.” “: Tianjianjian, gentleman to self-improvement ”. The sun and the moon are constantly running, which is the meaning of “Tian Xing Jian ”. The gentleman follow the example of the day, to continue running like a day, continuous efforts. “Virtuous Kun” “: terrain-kun, the gentleman with great virtue. ” The terrain of the land is thick, can carry everything, the gentleman lawfully, to accumulate the moral, can only Take social responsibility.