This is the famous ātmārāma verse (SB 1.7.10).
Hari, the Personality of Godhead, is called Krsna because He has such transcendentally attractive features
Expressions researched:
"Hari, the Personality of Godhead, is called Kṛṣṇa because He has such transcendentally attractive features"
Sri Caitanya-caritamrta
CC Madhya-lila
“‘Those who are self-satisfied and unattracted by external material desires are also attracted to the loving service of Śrī Kṛṣṇa, whose qualities are transcendental and whose activities are wonderful. Hari, the Personality of Godhead, is called Kṛṣṇa because He has such transcendentally attractive features.’”.
“‘Those who are self-satisfied and unattracted by external material desires are also attracted to the loving service of Śrī Kṛṣṇa, whose qualities are transcendental and whose activities are wonderful. Hari, the Personality of Godhead, is called Kṛṣṇa because He has such transcendentally attractive features.’”