Shiva Purana
विषं चैवामृतं कुर्यादमृतं विषमेव वा ॥ यदिच्छति करोत्येव समर्थः किन्निषिध्यते ॥ ३७॥
He can convert poison into nectar and nectar into poison. Whatever he wishes he certainly does. How can an efficient man be thwarted?
english translation
viSaM caivAmRtaM kuryAdamRtaM viSameva vA ॥ yadicchati karotyeva samarthaH kinniSidhyate ॥ 37॥
hk transliteration by Sanscript