There is nothing called spiritual knowledge || Acharya Prashant, on Ishavasya Upanishad (2016)

Different indeed, they say, is the result of vidya and different indeed, they say, is the result of avidya. Thus have we heard from the wise who had explained it to us. He who knows both vidya and avidya together, transcends mortality through avidya and reaches immortality through vidya.