D. Martyn Lloyd-Jones on praying:
We tend to be so self-centered in our prayers that when we drop on our knees before God, we think only about ourselves and our troubles and perplexities. We start talking about them at once, and of course nothing happens… That is not the way to approach God. We must pause before we speak in prayer… There is a sense in which every man when he begins to pray to God should put his hand upon his mouth… Just stop for a moment and remind yourself of what you are about to do… It is just this realization of our relationship to God that we so sadly lack… Prayer means speaking to God, forgetting ourselves, and realizing His presence [Studies in the Sermon on the Mount, 2 volumes (Grand Rapids: Wm. B. Eerdmans, 1993), 2:51-52].