I think that you have not listened to the scriptures, or, you have listened to them without any advantage, or, perhaps, you have listened to some other books loO king like the scriptures.
श्रुतं ते न श्रुत मन्ये मृषा वापि श्रुतं श्रुतम्। अथवा श्रुतसंकाशं श्रुतमन्यच्छ्रुतं त्वया॥