Daraṅasaṅaanupubbikathā

Vinayapiṭaka · Cūḷavagga (2) · Vol. 7 · Section 373

[373] Furthermore, bhikkhus, here a certain teacher, being of impure livelihood (ājīva), claims: "I am of pure livelihood" … Bhikkhus, disciples protect such a teacher with regard to his livelihood; and such a teacher expects protection from his disciples with regard to his livelihood.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 3 other places

Vol. 7 · Section 353 — Saṅghabhedakakkhandhaka
Vol. 7 · Section 356 — Saṅghabhedakakkhandhaka
Vol. 7 · Section 355 — Saṅghabhedakakkhandhaka