《智囊(选录)·上智部·裴光庭》
原文唐玄宗开元十三年，宰相张说考虑到天子大驾东去泰山封禅，恐怕突厥乘机侵犯边境，主张加派军队守备边境，他找来兵部郎中裴光庭一起商量这件事情。
张说以大驾东巡，恐突厥乘间入寇，议加兵备边，召兵部郎中裴光庭谋之。
Original text: In the thirteenth year of Tang Xuanzong's Kaiyuan reign, Prime Minister Zhang Shuo considered that if the emperor went east to Mount Tai to enshrine Zen, he was afraid that the Turks would take the opportunity to invade the border, and advocated increasing troops to defend the border. He found Pei Guangting, the head of the Ministry of War, to discuss this matter together.