Humans must have external constraints in order to live together
The history of how earth was formed, things that happened that effected history like climate change that can affect history because as you know climate protests are happening and people in the future will write down that climate protests were happening everywhere
Answer:
Pythagoras believed that the planets themselves, all heavenly bodies, rang out notes of vibration based on their orbit and distance to each other. We humans simply lack the ability to hear this music of the spheres.
