And we desire here, as a matter of some importance, to lay down a practical test or rule on this subject. It is this. Whenever we desire a specific experience, whether inward or outward, whether of the intellect or the affections, [prior] to the exercise of faith, we are necessarily in so doing seeking a sign, or testimony, or something, whatever we may choose to call it, additional to the mere declaration and word of God. There is obviously a lingering distrust in the mind, which jostles us out of the line of God's order; which is not satisfied with his way of bringing the world into reconciliation with himself; and under the influence of which we are looking round for some new and additional witness for our faith to rest upon. In other words, although we may not be fully conscious of it, we desire a sign. In the language of the experienced Mr. Fletcher of Madely, "we want to see our own faith," a state of mind, which, as it requires sight to see our faith with, in other words a basis of faith additional to that which God has already given, is necessarily inconsistent with and destructive of faith. This simple test will aid very much, in revealing to us the true state of our hearts.
— The Interior of Hidden Life (1844) Part 1, Chapter 11.