From Nābhāga was born Ambarīṣa, the most powerful and celebrated devotee. Mahārāja Ambarīṣa was the emperor of the entire world, but he considered his opulence temporary. Indeed, knowing that such material opulence is the cause of downfall into conditional life, he was unattached to this opulence. He engaged his senses and mind in the service of the Lord. This process is called yukta-vairāgya, or feasible renunciation, which is quite suitable for worship of the Supreme Personality of Godhead. Because Mahārāja Ambarīṣa, as the emperor, was immensely opulent, he performed devotional service with great opulence, and therefore, despite his wealth, he had no attachment to his wife, children or kingdom. He constantly engaged his senses and mind in the service of the Lord. Therefore, to say nothing of enjoying material opulence, he never desired even liberation.