Mahāviyūhasuttaniddesa

Suttapiṭaka · Khuddakanikāya · Mahāniddesa · Vol. 29 · Section 655

[655] But if the worship of one's own teaching (sadhammapūjā) were thereby true, in the same way as they praise their own paths (sakāyanāni), then all doctrines (pavādā) alike would be true— for purity (suddhi), for them, is merely a matter of each one individually.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.