Maybe you will say, 'I do not deny that firm conviction occurs in the hearts of laypersons by reason of these things, but there is not a speck of spiritual cognizance found in that approach. People have been burdened with attaining true spiritual cognizance, not mere belief that is equivalent to ignorance wherein falsehood is not distinguished from truth.' [To this] the response would be that this is an error by the one who holds this view.

Why the Means to Firm Faith is of Little Importance
Imām 'The Proof of Islām' Al-Ghazzālī