Ramayana
यज्ञवाटश्च सुमहान्गोमत्या नैमिशे वने । आज्ञाप्यतां महाबाहो तद्धि पुण्यमनुत्तमम् ॥ 7-91-15 ॥
And let a very great sacrificial enclosure be commanded to be made by the Gomati in the Naimisha forest, O mighty-armed one, for that is most holy and supremely meritorious.
english translation