[T]here may be a zeal that is not according to knowledge, and in a thing that is not good; and here the more zealous and exercised any be, and the faster they run, they go the further wrong and out of the way: the greatest zealots and bigots in unwarrantable, though specious-like things,* are readily the most dangerous. My son (said dying David to his son Solomon) know thou the God of thy fathers; and to Israel, Keep and seek for the commandments of the Lord your God. Remarkable words, keep and seek, plainly insinuating that there can be no keeping of God's commandments without seeking them, without seeking to know and understand them well (1 Chron.28:8–9).
John Carstares, “The Epistle Dedicatory and Prefatory,” in The Great Gain of Contenting Godliness, commended in four sermons by Master James Durham (1685), 8–9. See Collected Sermons of James Durham, 2 vols. (2017). https://www.heritagebooks.org/products/collected-sermons-of-james-durham-2-volume-set.html*Things that are superficially plausible but actually without warrant.