Workers do not strike every day, they cannot do that the way they function in the capitalist economy. The way they have to live by selling their labor power makes that impossible.

Factions are a sign of illness in a party.

Marxism is always open, always critical, always self-critical.

You cannot make a socialist revolution without really trying.

Mistakes in themselves are unavoidable.

And you cannot have a socialist revolution commandeered from the top, ordered around by some omniscient leader or group of leaders

Only if you bring together the experience of the concrete struggles conducted by the real masses in the three sectors of the world (which are also called the three sectors of world revolution), then you have an overall, correct view of world reality.