Ramayana
एवंविधानि कर्माणि प्रावर्तत महाबलः । सर्वेषां ब्रह्मदण्डानामवध्यः शम्भुना कृतः ॥ 7-36-31 ॥
Deeds of this kind that one of great strength carried on, having been made invulnerable to all the rods of Brahma by Shambhu (Shiva).
english translation