What is Mencius' proposition that "wealth cannot be lewd, poverty cannot be moved"?

Wealth can't be lewd, poverty can't be moved, and power can't be bent. This is called a gentleman.

These words describe what a gentleman does when facing "wealth", "poverty" and "power".

Advocating that people should have free thoughts and independent personality.

In this way, when he faces wealth, poverty and power, he will not change his nature. He is him, he is him, that's right. The so-called: only true heroes can be true! In any case, he is his own free thought and his own independent personality.