What does the idiom "make a fool of yourself" mean?

For: egoism. Order: manufacturing. Wisdom: rationality. Dizzy: Dizzy. Crazy because of greed, don't distinguish right from wrong.

Sima Qian in the Western Han Dynasty wrote in Records of the Historian Biographies of Yu Qing in Ping Yuanjun: "As the saying goes,' profit makes the mind faint'." Because of negative heresy, more than 40 people in Zhao fell into Changping, and several people died in Handan. "

During the Warring States Period, the State of Qin sent generals to attack South Korea in vain, occupied the wild king of South Korea (now Biyang County, Henan Province), and greatly threatened Shangdang (now north of Changzhi City in the west). "Shangdang ShouJiang ready to joins zhao, hope to get the protection of zhao. Zhao Haoqi Cheng Xiao asked the ministers for advice. Zhao Bao, the monarch of Pingyang, believes that you should not benefit for no reason, but it will lead to disaster. However, Ping Yuanjun and Zhao Sheng believe that such a big and good place should be delivered to your door for free. Finally, Zhao Haoqi Cheng Xiao accepted Zhao Sheng's suggestion and sent him to Shangdang to accept this place, and named it Hua Yangjun, Feng Ting. But in this way, Qin was angered. Qin sent Bai Qi to fight Zhao again, and Zhao was defeated. Later, I almost entered Handan, the capital of Zhao.