釋禪波羅蜜次第法門 4.18

4.18

Second, regarding the manifestation of anger in accordance with reason: If, when cultivating concentration, an outsider genuinely comes to annoy and trouble them, and taking this as a condition they give rise to angry thoughts in unbroken succession; or just as a person who upholds the precepts gives rise to anger upon seeing unprincipled persons. Therefore, it is said in the Mahāyāna [Treatise]: 'In a pure Buddha-land, although there are no corrupt three poisons, there are correct three poisons.' Those spoken of now as having reasonable, correct anger are such persons.