when called to office,undertake one’s duties,when not called,lie retired ❍ 子谓颜渊曰： “用之则行，舍之则藏，唯我与尔有是夫。” (《论语·述而》) The Master said to Yan Yuan，“When called to office,undertake your duties; when not so called,lie retired；—it is only I and you who have attained to this.”