Sāriputtasuttaniddesa 16

Suttapiṭaka · Khuddakanikāya · Mahāniddesa · Vol. 29 · Section 935

[935] **"He should not be terrified even of those who adhere to other doctrines, even having seen the many fearful things from them" (paradhammikānampi na santaseyya disvāpi tesaṃ bahubheravāni):** "those who adhere to other doctrines" (paradhammikā) is said of any whosoever — setting aside the seven co-religionists (sahadhammika) — who have no confidence in the Buddha, no confidence in the Dhamma, no confidence in the Saṅgha. They might ask the bhikkhu a question or raise a dispute against him; they might revile him, abuse him, provoke him, vex him, harm him, injure him, harass him, oppress him, strike him down, assault him, or make an attempt upon his life. Having seen or having heard the many fearful things from them, he should not tremble, should not quake, should not shake; he should not be startled, should not be terrified, should not be alarmed, should not be frightened; he should not fear, nor fall into terror; he should be fearless, undaunted, untrembling, not fleeing; he should dwell with fear and dread abandoned, with horripilation gone. Hence, "he should not be terrified even of those who adhere to other doctrines, even having seen the many fearful things from them."

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.