上下级之间若真诚相通，则即使在暗处也相互信任无疑；若真诚不通，则即使亲近也充满怀疑不信。

"The past is a ghost that haunts the present, whether we acknowledge it or not."

No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.

孔子说：“知道学习不如喜欢学习，喜欢学习不如以学习为快乐。”