Strategies of the Warring States, Garden of Anecdotes, A Comprehensive Mirror for Aid in Government and An Expanded Supplement to the Wisdom Sack contain an inexhaustible wealth of material.
《戰國策》、《說苑》、《貞觀政要》、《資治通鑑》與《增廣智囊補》裡就有很多取之不盡、用之不竭的素材。