Even the classical corpus... contains a great many traditions which cannot possibly be authentic. All efforts to extract from this often self-contradictory mass an authentic core by ‘historic intuition,’ as it has been called, have failed. ... the great majority of traditions from the Prophet are documents not of the time to which they claim to belong, but of the successive stages of development of doctrines during the first centuries of Islam.

What It Means

This is a placeholder explanation generated by the low-overhead model. It interprets "Even the classical corpus... contains a great many traditions which cannot possibly be authentic. All efforts to extract from this often self-contradictory mass an authentic core by ‘historic intuition,’ as it has been called, have failed. ... the great majority of traditions from the Prophet are documents not of the time to which they claim to belong, but of the successive stages of development of doctrines during the first centuries of Islam." in the context of "About Hadith. quoted from Robert Spencer - Did Muhammad Exist An Inquiry into Islam's Obscure Origins―Revised and Expanded Edition-Bombardier Books (2021)" to mean that wisdom is timeless.