Malasutta

Suttapiṭaka · Saṁyuttanikāya · Mahāvaggasaṁyutta · Vol. 19 · Section 323

[323] The setting is Sāvatthī. Bhikkhus, there are these three stains (mala). What three? Lust (rāga) is a stain, hatred is a stain, delusion is a stain. These, bhikkhus, are the three stains.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 1 other place

Vol. 19 · Section 335 — Yogasutta