"Tendency" is a core term in classical Marxist literary criticism, a core issue in ideological criticism methods and the most concerned issue in Marxist literary criticism methodology.

The famous sayings about criticism are as follows:

1. When talking to people who disagree, be modest and be modest. Otherwise, it would be like rubbing salt on the wound, which would deepen his existing prejudice.

2. Truth likes criticism, and after criticism, truth will win; Fallacy fears criticism, because after criticism, fallacy fails.

3. Criticism cannot reach the artistic level. Art has entered a certain height, which is beyond the reach of other forms of expression except art itself.

4. Criticism is a science. Criticism is a science that reveals the beauty and shortcomings of literary and artistic works. It is based on a thorough understanding of the laws followed by artists or writers in their works, in-depth study of typical works and active observation of contemporary outstanding phenomena.

5. Criticism is a science. Criticism is a science that reveals the beauty and shortcomings of literary and artistic works. It is based on a thorough understanding of the laws followed by artists or writers in their works, in-depth study of typical works and active observation of contemporary outstanding phenomena.

In this sense, I never take comfort and happiness as the purpose of life itself. This ethical basis, I call it the ideal of pigsty.