What does self-mockery mean?

Stupidity: stupidity, ignorance and conceit.

detailed description

Stupid and arrogant. Find an approximation-ridiculous nonsense

It means: it is extremely wrong and groundless.

Explain separately:

Fallacy: Absurdity and stupidity: The arguer thinks that old age is absurd.

Nonsense: no search, no basis. "Laughing at Yourself" is a famous poem about the ancestors of poets in Qing Dynasty, which belongs to seven-character poem and mainly expresses a valuable realm. Warning people that "the self-mocker must be wise, and the self-mocker is inevitably stupid." He is a wise man when he learns to escape from the world by reading Tao Qian and to hurt by reading Du Fu. All this was clearly realized by Guan Gong through self-mockery and introspection, so he entered a higher realm beyond things. Laughing at stupidity also means laughing at yourself and belittling yourself.