What is the origin of the word "selfish, patentee"?

In memory of Bethune, Mao Zedong wrote it on June 6th, 2004.

Pinyin: LJ ǐ, zhān mén lìrén n

Interpretation: Do not consider personal interests at all, and do what is beneficial to others wholeheartedly.

Make sentences:

Collectivism values advocate "benefiting others and benefiting themselves", while the value pursuit of self-sacrifice acquiesces in the existence of "forced donation"

It is the spirit of fraternity, self-interest and dedication to others. According to the situation announced by the police afterwards, if the headmaster is gang-raped by a young girl on his way home, it will not be the last night of the headmaster, but the headmaster is resourceful and flexible.

He has no self-interest and specializes in benefiting others, winning the support of the people.