Recommended Book: First Epistle of Clement to the Corinthians - Kindle Edition (get Kindle app for phone) (paid link)
"It is a very good thing to ask. For if through conversing with a person of great power no small benefit is gained, what great benefit will one not gain from converse with God? . . . He is surely able to grant us our requests even before we ask him; nevertheless He holds off and waits, so that we may have an occasion for being justly deserving of His Providence."