advaitācārya-gosāñi — 'sākṣāt īśvara'
tāṅra saṅge āmāra mana ha-ila nirmala
advaita-ācārya-gosāñi - Advaita Ācārya;sākṣāt īśvara - directly the Supreme Personality of Godhead;tāṅra saṅge - by His association;āmāra - My;mana - mind;ha-ila - has become;nirmala - purified.