John Chrysostom
The Apostle speaks not only of drunkenness from wine, but also of every sin. Greed, attachment to money, fleshly love, and whatever else of this kind you may mention, all constitute drunkenness of the soul.
But why did he call sin sleep? First, because the sinner has no strength for virtue. Next, because he is continually carried away by imagination and sees nothing in the true light.
On the contrary, he is full of dreams and often of senseless fantasies. And if at last he did see something good, he would draw from it nothing firm and unchanging.
Such is the present life. It is filled only with dreams and fantasies. Wealth, glory, and all such things are a dream seen in sleep.
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The one who sleeps does not see what is and truly exists. But what does not exist at all, he dreams of as existing.
Such is sin, and such is sinful life. It does not see what is essential, that is, the spiritual, the heavenly, the unchanging.
It sees only what flows away, flies away, and soon leaves us. Yet it is not enough to watch and be sober. One must also be armed.
If someone has no weapons, then even if he is watchful and sober, robbers can immediately kill him.