Ramayana
यथान्ये विविधै रोगै; पीड्यन्ते प्राणिनो मया । ते न ते प्रभविष्यन्ति मयि प्रीते न संशयः ॥ 7-18-27 ॥
'As other living creatures are afflicted by me with various diseases, those diseases shall have no power over you, since I am pleased — of this there is no doubt.'
english translation