There are two opposing cognitive routes in philosophy: one is the route from things to feelings and thoughts; One is the route from feeling and thought to things, that is, the opposition between materialism reflection theory and idealism epistemology. The difference between subjective idealism and objective idealism epistemology lies in whether the consciousness of matter is subjective or objective.

"How bold people are, how productive the land is; I'm afraid I can't do it, I'm afraid I can't think of it; You can do it if you want. " This sentence is the slogan of the Great Leap Forward period, which marks the subjective will of the new people, but it is actually unrealistic. It is obviously wrong how bold a person is and how much land he can go out. Is seriously divorced from the objective reality, contrary to Scientific Outlook on Development's grandiose slogan. The above is today's evaluation of the slogan of the Great Leap Forward.