Mahādhammapālajātaka

Suttapiṭaka · Khuddakanikāya · Jātaka (1) · Vol. 27 · Section 1420

[1420] The Dhamma truly protects the one who practices the Dhamma (dhammacārī); the Dhamma well practiced brings happiness. This is the benefit (ānisaṃsa) when the Dhamma is well practiced: the one who practices the Dhamma does not go to a bad destination (duggati).

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 1 other place

Vol. 27 · Section 2283 — Ayogharajātaka