नाधीयीताश्वमारूढो न वृक्षं न च हस्तिनम् । न नावं न खरं नोष्ट्रं नैरिणस्थो न यानगः ॥ १२० ॥
sanskrit
Let him not recite the Veda on horseback, nor on a tree, nor on an elephant, nor in a boat (or ship), nor on a donkey, nor on camel, nor standing on barren ground, nor riding in a carriage,
english translation