For if each Person be not God, all three cannot be God, unless the Godhead have Persons in it which are not God.
Three persons having the same nature are three persons;--and if to possess without limitation the divine nature, as opposed to the human, is what we mean by God, why then three such persons are three Gods, and will bethought so, till Gregory Nyssen can persuade us that John, James, and Peter, each possessing the human nature, are not three men.

John is a man, James is a man, and Peter is a man: but they are not three men, but one man! Ib.p.

150.
I affirm, that natural reason is not the rule and measure of expounding Scripture, no more than it is of expounding any other writing.

The true and only way to interpret any writing, even the Scriptures themselves, is to examine the use and propriety of words and phrases, the connexion, scope, and design of the text, its allusion to ancient customs and usages, or disputes.

For there is no other good reason to be given for any exposition, but that the words signify so, and the circumstances of the place, and the apparent scope of the writer require it.
This and the following paragraph are excellent.