cyclical history, n.All

Cyclical history (n.) ends ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠the moment its mechanisms begin to be uncovered; after that, the clock cannot be put back.