This is the theory described in the "book within a book" in Orwell's "1984". In it "Emmanuel Goldstein" (roughly equivalent to Trotsky) describes how revolution

This is the theory described in the "book within a book" in Orwell's "1984". In it "Emmanuel Goldstein" (roughly equivalent to Trotsky) describes how revolutions occur when the Middle co-opt the Low to displace the High. The new High then push the Low back where they came from. Over time a new Middle emerges, and the cycle repeats.