1. According to famous stories from Tsinghua University, probably only the story about Mr. Zhu Ziqing’s rejection of American flour fits the meaning of the question!

2. In early 1948, the People's Liberation War entered its final stage. In June, students in Peking launched a movement against the United States' support of Japanese militarism. At this time, Professor Zhu Ziqing was seriously ill and had no money for medical treatment, but he wrote without hesitation:

"To show the dignity and integrity of the Chinese people, we categorically reject the United States' attempt to buy souls. All charity materials, whether purchased or given"

signed his name on the declaration. At the beginning of August, Zhu Ziqing's condition worsened, hospitalization failed, and he died on the 12th. He was only 50 years old at that time.

Before he died, Zhu Ziqing earnestly told his family in a weak voice:

"One thing to remember is that I signed the document rejecting American flour. Our family will not buy American flour rationed by the Kuomintang in the future. Flour!