John Trapp on Ezekiel 47:4

Ver. 4. Again he meaſured a thouſand] This is a number of perfection. The Goſpel is a perfect doctrine, and is able to make the man of God perfect, thoroughly furniſhed (or perfected) unto all good works, 2 Tim. 3.17.

The waters were to the knees] Grace grows by degrees: and the Scriptures have their ſhallows wherein the Lamb may wade: like as they have their profundities wherein the Elephant himſelf may ſwin.Confeſſ. l. 5. cap. 13. Confeſſ. l. 7. c. 21. Auguſtine contemned the holy Scriptures at firſt, as neither eloquent nor deep enough for the elevation of his wit. But afterwards, when he was both a better and a wiſer man, he ſaw his own ſhallowneſſe, and admired the never-enough adored depth of Gods holy Oracles.