《容斋随笔·卷一·浅妄书》
第三件事则是： 杨国忠得势的时候，朝廷里的文武百官都争先恐后地依附他，以便求得荣华富贵，只有张九龄从来没有登过门。 
其三云： 杨国忠盛时，朝之文武，争附之以求富贵，惟张九龄未尝及门 。
The third thing is: When Yang Guozhong came to power, all the civil and military officials in the court rushed to follow him in order to seek wealth and honor, but only Zhang Jiuling never visited him.