釋禪波羅蜜次第法門 4.17

4.17

First, regarding the manifestation of anger contrary to reason: If a practitioner, when cultivating concentration, has anger and ill-will arise abruptly, without regard to whether it is reasonable or unreasonable, whether another offended or did not offend, being angry over nothing. This is the mark of the manifestation of contrary-to-reason, corrupt anger.