" St Thomas, in his commentary on Psalm 16, writes: `When God examines, he does three things, namely, he tests, he visits, he examines.''`' What is more, as a result of this testing, as soon as God finds that an individual possesses a certain integrity, there begins the deeper testing, the more searching examination. Thomas cites Jer. 17.10: I, the Lord, search the heart and probe the loins. I give everyone according to his way.20 Finding oneself under this kind of mysterious, divine scrutiny is a wonderful sign of grace and of progress in the spiritual life. But the experience itself is not `wonderful'. Thomas notes: `this examination is severe and strong, and so much so that no one would withstand it unless helped by God.'21 "