“Mendicants, there are these four ways of purifying an offering to a teacher. What four? There’s an offering to a teacher that’s purified by the giver, not the recipient. There’s an offering to a teacher that’s purified by the recipient, not the giver. There’s an offering to a teacher that’s purified by neither the giver nor the recipient. There’s an offering to a teacher that’s purified by both the giver and the recipient.

And how is an offering to a teacher purified by the giver, not the recipient? It’s when the giver is ethical, of good character, but the recipient is unethical, of bad character.

And how is an offering to a teacher purified by the recipient, not the giver? It’s when the giver is unethical, of bad character, but the recipient is ethical, of good character.

And how is an offering to a teacher purified by neither the giver nor the recipient? It’s when both the giver and the recipient are unethical, of bad character.

And how is an offering to a teacher purified by both the giver and the recipient? It’s when both the giver and the recipient are ethical, of good character. These are the four ways of purifying an offering to a teacher.”