The Essence of the Garuḍa Purāṇa 19.91

Garuḍapurāṇasāroddhāra 19.91

āgamoktaṃ vivekotthaṃ dvidhā jñānaṃ pracakṣate || śabdabrahmāgamamayaṃ paraṃbra
hma vivekajam