Upasiṅghapupphakajātaka

Suttapiṭaka · Khuddakanikāya · Jātaka (1) · Vol. 27 · Section 948

[948] To a person without blemish (anaṅgaṇa), who is constantly seeking purity, evil (pāpa) even the mere measure of a hair-tip appears as vast as a cloud.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.