Truth is the correct reflection of subject to object on the basis of practice.

② Value is the positive effect of the object of subject identification on the subject.

2. Dialectical relationship

(1) Truth is valuable;

② Value embodies truth.

The dialectical unity of truth and value is based on practice.

3. Two scales and two principles

① Two scales

According to Marxism, there are two main scales for studying human activities:

First, the object scale, human activities are restricted by objective conditions and laws;

The second is the subject scale, in which human beings transform the world according to their own needs and purposes.

② Two principles

In the process of human cognition and practice, pursuing truth and creating value are two basic principles.

The principle of truth means that human understanding must reflect the original appearance of objective things and conform to the essence and laws of objective things. -the principle of seeking truth from facts.

The principle of value means that human beings must transform the world according to their own needs, making it conducive to human survival and development. -The principle of meeting demand