The following is an excerpt from Jonathan Edwards' famous sermon Sinners in the Hands of an Angry God. I would strongly encourage the reader to read the whole sermon, as a tiny excerpt does not do it justice.
The bow of God’s wrath is bent, and the arrow made ready on the string, and justice bends the arrow at your heart, and strains the bow, and it is nothing but the mere pleasure of God, and that of an angry God, without any promise or obligation at all, that keeps the arrow one moment from being made drunk with your blood. Thus all you that never passed under a great change of heart, by the mighty power of the Spirit of God upon your souls; all you that were never born again, and made new creatures, and raised from being dead in sin, to a state of new, and before altogether unexperienced light and life, are in the hands of an angry God. However you may have reformed your life in many things, and may have had religious affections, and may keep up a form of religion in your families and closets, and in the house of God, it is nothing but his mere pleasure that keeps you from being this moment swallowed up in everlasting destruction. However unconvinced you may now be of the truth of what you hear, by and by you will be fully convinced of it. Those that are gone from being in the like circumstances with you, see that it was so with them; for destruction came suddenly upon most of them; when they expected nothing of it, and while they were saying, Peace and safety: now they see, that those things on which they depended for peace and safety, were nothing but thin air and empty shadows.
The God that holds you over the pit of hell, much as one holds a spider, or some loathsome insect over the fire, abhors you, and is dreadfully provoked: his wrath towards you burns like fire; he looks upon you as worthy of nothing else, but to be cast into the fire; he is of purer eyes than to bear to have you in his sight; you are ten thousand times more abominable in his eyes, than the most hateful venomous serpent is in ours. You have offended him infinitely more than ever a stubborn rebel did his prince; and yet it is nothing but his hand that holds you from falling into the fire every moment. It is to be ascribed to nothing else, that you did not go to hell the last night; that you were suffered to awake again in this world, after you closed your eyes to sleep. And there is no other reason to be given, why you have not dropped into hell since you arose in the morning, but that God’s hand has held you up. There is no other reason to be given why you have not gone to hell, since you have sat here in the house of God, provoking his pure eyes by your sinful wicked manner of attending his solemn worship. Yea, there is nothing else that is to be given as a reason why you do not this very moment drop down into hell.