It is supposed to be true that those who do not know history are doomed to repeat it. I don’t believe knowing can save us. What is constant in history is greed and foolishness and a love of blood, and this is a thing that even God — who knows all that can be known — seems powerless to change.

Cormac McCarthy (1933-2023) American novelist, playwright, screenwriter

All the Pretty Horses, ch. 4 (1992)
    (Source)

See Santayana.