Shiva Purana
तथा शतमखस्यापि सवज्रो दक्षिणः करः ॥ सिसृक्षोरेव उद्वज्रश्चित्रीकृत इवाभवत् ॥ ४२ ॥
The right hand of Indra who desired to release the thunderbolt it held remained steady as painted in a picture.
english translation
tathA zatamakhasyApi savajro dakSiNaH karaH ॥ sisRkSoreva udvajrazcitrIkRta ivAbhavat ॥ 42 ॥
hk transliteration by Sanscript