《宋史·列传·卷四十三》
 我又听说，人不率教则不被服从，不先身体力行则不被信任。
臣又闻之，人不率则不从，身不先则不信。
I have also heard that, if a man does not set an example, he will not be followed; if he does not show his strength and energy in advance, he will not be trusted.