You're right, it definitely did not come from Buddhism. Buddha's teaching itself does not derive from Buddhism, nor Hinduism, nor any other religions. It's derived from the world itself.
Here's a quote I was able to transcribe this from Tathagata,
"I'll speak very clearly here. Buddhism has nothing to do with all the Buddhas."
Here's a quote I was able to transcribe this from Tathagata,
"I'll speak very clearly here. Buddhism has nothing to do with all the Buddhas."