Ramayana
प्रसन्नमुखवर्णश्च व्यक्तं हृष्टश्च भाषते । नानृतं वक्ष्यते वीरो हनुमान्मारुतात्मजः ॥ ४-४-३२
'It is evident from his words and from his cheerful face that Hanuman is pleased. ( I know that ) this heroic son of the Wind-god will never tell a lie'. ॥ 4-4-32॥
english translation
prasannamukhavarNazca vyaktaM hRSTazca bhASate । nAnRtaM vakSyate vIro hanumAnmArutAtmajaH ॥ 4-4-32
hk transliteration by Sanscript