Herman Witsius on faith and knowledge

Reformed Covenanter

Puritanboard Commissioner
First, That which faith comprehends, or at least supposes, is a knowledge of the things which are to be believed. This, in contradiction to the absurdity of the Papists, is very plain, I from the scriptures; which so speak of faith, as manifestly to give us to understand, that knowledge is included in the very idea, as well as the practice of faith, Isa. liii. 11. John xvii. 3. compared with Hab. ii. 4. John vi. 69. 2 Tim. i. 3.

II. From the very nature of faith, which, as it speaks of an assent given to a truth revealed by God, and that without any doubting, necessarily presupposes the knowledge of these two things, 1. That God has revealed something. 2. What that something is, which faith assents to as divinely revealed. For to say that a person assents to any truth, which he is ignorant of, and concerning which, he knows not whether there be any testimony extant which is worthy of credit, is absurd. ...

For more, see Herman Witsius on faith and knowledge.