cintayanti-constantly thinking; ekaya-with one attention; buddhya-and intelligence; maha-purusam-upon the Supreme Personality of Godhead; isvaram-the supreme controller, Lord Visnu; pragrhya-completely controlling; indriya-the senses; dusta-formidable, powerful; asvan-horses; manasa-by the mind; buddhi-sarathih-with the help of intelligence, the chariot driver; manah-the mind; ca-also; eka-agraya-with full attention; buddhya-with the intelligence; bhagavati-unto the Supreme Personality of Godhead; akhila-atmani-the Supreme Soul, the Supersoul of all living entities; vasudeve-unto Lord Vasudeva; samadhaya-keeping full attention; cacara-executed; ha-thus; payah-vratam-the ritualistic ceremony known as payo-vrata.