duskarah-difficult to do; kah-what; nu-indeed; sadhunam-of the devotees; dustyajah-impossible to give up; va-either; maha-atmanam-of the great persons; yaih-by which persons; saṅgrhitah-achieved (by devotional service); bhagavan-the Supreme Personality of Godhead; satvatam-of the pure devotees; rsabhah-the leader; harih-the Lord.