devanam-of the demigods; suddha-sattvanam-whose minds are purified; rsinam-of great saintly persons; ca-and; amala-atmanam-who have purified their existence; bhaktih-devotional service; mukunda-carane-to the lotus feet of Mukunda, the Lord, who can give liberation; na-not; prayena-almost always; upajayate-develops.