Besides by a sudden questioning it is impossible to ascertain the intention of a foreigner. Do you therefore yourself accost him and determine, by his voice, his secret motive.
अशक्यं सहसा राजन्भावो बोद्धं परस्य वै। अन्तरेण स्वरैभिन्नै पुण्यं पश्यतां भृशम्॥