Is radicalism a paranoid, persistent and radical behavior? Compared with ordinary people's words and deeds, they are more aggressive and sometimes think especially.

Radical, paranoid and persistent are not the same thing.

Radicalism refers to the excessive pursuit of progress and process in thought on the basis of clear direction, the required degree of progress is not in line with the actual situation, the pace of progress in action is too large, beyond the general procedure and so on.

Paranoia is a kind of self-stubbornness and mental delusion in choosing the direction of things, and it is a psychological problem.

According to China's ideological and cultural tradition, radical thinking should be derogatory, corresponding to eagerness for success, ambition and so on. However, from the perspective of new ideas, radicalism is also an epic state, which can be understood as a state of fierce struggle for the pursuit of goals.