You don’t need any observations at all to build up a complete knowledge of the entire universe. Hegel showed this

Quantum physics from no observations? With your monkey brain? Yeah right.

This is why I don’t use this site. Low IQ discussions and insults from morons

	▲	hilariously 38 minutes ago \| parent [-]
		Ah yes, that is a good answer to how you would derive quantum physics from rationality alone.