Mystically, however, the hinder part of the ship is the beginning of the Church, in which the Lord sleeps in the body only, for He never sleepeth who keepeth Israel; for the ship with its skins of dead animals keeps in the living, and keeps out the waves, and is bound together by wood, that is, by the cross and the death of the Lord the Church is saved.
The pillow is the body of the Lord, on which His Divinity, which is as His head, has come down.
But the wind and the sea are devils and persecutors, to whom He says Peace, when He restrains the edicts of impious kings, as He will.
The great calm is the peace of the Church after oppression, or a contemplative after an active life.
Reproduced in full. Translation: Oxford 1841 (Newman), public domain (Public domain).