《战国策·楚一·张仪为秦破从连横》
天下所坚决主张合纵联盟的苏秦，被封为武安君，出任燕国的相国，暗地里和燕王谋划着攻破齐国，好瓜分齐国的土地。
 凡天下所信约从亲坚者苏秦，封为武安君而相燕，即阴与燕王谋破齐共分其地。
Su Qin, who firmly advocated the vertical alliance in the world, was named King Wu'an and served as the Prime Minister of Yan. He secretly plotted with the King of Yan to attack the State of Qi in order to divide the land of Qi.