Bhagavatapurana 3.24.43

3.24.43

mano brahmaṇi yuñjāno yat tat sad-asataḥ param /
guṇāvabhāse viguṇa eka-bhaktyānubhāvite //

43—44. Setting his mind upon Brahman who is distinct from cause and effect, who is devoid of qualities but manifests Himself as if endowed with them, and who is realised only by means of unswerving devotion to Him alone; having rid himself of Ahankara, attachments, and the disturbance of the opposite states (of cold and heat, honour and dishonour, etc.,) having ceased to see differences and riveted his mind on Atman alone he attained wisdom, with his thoughts becalmed and centered in Brahman within, and shone like the ocean that is perfectly still without waves.