Ramayana
सो ऽपश्यत्सोमजं तत्र तपन्तं सलिलाशये । ऊर्ध्वबाहुं निरालम्बं तं राजा प्रत्यभाषत ॥ 7-89-10 ॥
He saw there the son of Soma practicing austerity in a body of water, his arms raised aloft and unsupported; and the king addressed him.
english translation