Let their eyes be darkened ... - See the notes at Romans 11:10.

And make their loins continually to shake - As under a heavy burden. The apostle Romans 11:10 varies the language, but retains the idea: "and bow down their back alway."

Psalm 69:23 Parallel Commentaries

The Golden Calf
'And when the people saw that Moses delayed to come down out of the mount, the people gathered themselves together unto Aaron, and said unto him, Up, make us gods, which shall go before us; for as for this Moses, the man that brought us up out of the land of Egypt, we wot not what is become of him. 2. And Aaron said unto them, Break off the golden earrings, which are in the ears of your wives, of your sons, and of your daughters, and bring them unto me. 3. And all the people brake off the golden …
Alexander Maclaren—Expositions of Holy Scripture

The Johannine Writings
BY the Johannine writings are meant the Apocalypse and the fourth gospel, as well as the three catholic epistles to which the name of John is traditionally attached. It is not possible to enter here into a review of the critical questions connected with them, and especially into the question of their authorship. The most recent criticism, while it seems to bring the traditional authorship into greater uncertainty, approaches more nearly than was once common to the position of tradition in another …
James Denney—The Death of Christ

Of the Lord's Supper, and the Benefits Conferred by It.
1. Why the Holy Supper was instituted by Christ. The knowledge of the sacrament, how necessary. The signs used. Why there are no others appointed. 2. The manifold uses and advantages of this sacrament to the pious. 3. The Lord's Supper exhibits the great blessings of redemption, and even Christ himself. This even evident from the words of the institution. The thing specially to be considered in them. Congruity of the signs and the things signified. 4. The chief parts of this sacrament. 5. How Christ, …
John Calvin—The Institutes of the Christian Religion