Human History is One of Neccessity VS Freedom

The history of mankind is one of continuous development from the realm of necessity to the realm of freedom. This process is never-ending. In any society in which classes exist class struggle will never end. In classless society the struggle between the new and the old and between truth and falsehood will never end. In the fields of the struggle for production and scientific experiment, mankind makes constant progress and nature undergoes constant change, they never remain at the same level. ...

 Knowledge Requires Interaction with the Material World

Where do correct ideas come from? Do they drop from the skies? No. Are they innate in the mind? No. They come from social practice, and from it alone; they come from three kinds of social practice, the struggle for production, the class struggle and scientific experiment. Where Do Correct Ideas Come from? (May 1963), 1st pocket ed., p. 1. It is man's social being that determines his thinking. Once the correct ideas characteristic of the advanced class are grasped by the masses, these ideas...