To indulge in personal attacks, pick quarrels, vent personal spite or seek revenge instead of entering into an argument and struggling against incorrect views for the sake of unity or progress or getting the work done properly. This is a fifth type [of liberalism].

…

Liberalism…is a corrosive which eats away unity, undermines cohesion, causes apathy and creates dissension. … It is an extremely bad tendency.

Liberalism stems from petty-bourgeois selfishness, it places personal interests first and the interests of the revolution second, and this gives rise to ideological, political and organizational liberalism.