孔子说:“我十五岁立志于学习,三十岁有所建树,四十岁不困惑,五十理解自然规律,六十明辨是非,七十随心所欲,不违规。”
With freedom, books, flowers and the moon who could not be happy?
释义:天下大势总是分裂久了就会统一,统一久了就会分裂。