What trend of thought broke through the shackles of the feudal church during the Renaissance?

Humanism: it is the ideological system, world outlook or ideological weapon formed by the emerging bourgeoisie in the struggle against feudalism and church in the Renaissance, and it is also the central idea of bourgeois progressive literature in this period. It advocates that everything is people-oriented, opposes the authority of God, and liberates people from the shackles of medieval theology. Advocating personality liberation and pursuing happiness in real life: pursuing freedom and equality and opposing hierarchy; Advocate rationality and oppose ignorance.

Humanism is the core idea of the Renaissance, the anti-feudal social ideological trend of the emerging bourgeoisie and the initial form of bourgeois humanism. It affirms human nature and human value, demands to enjoy the joy of the world, demands human personality liberation, freedom and equality, and respects people's perceptual experience and rational thinking. Humanism, as a historical concept, refers to the concept that was mainly used to describe the more advanced ideas in the Middle Ages from 14 to 16 in the history of European philosophy. Generally speaking, today's historians call the cultural and social changes in this period the Renaissance, while the educational reform movement is called humanism.