Then went I up in the night by the brook, and viewed the wall, and turned back, and entered by the gate of the valley, and [so] returned.
Ver. 15. Then went I up in the night] sc. By moonlight; for the moon is mistress of the night, Psalms 136:9, by the brightness she borroweth from the body of the sun, which the moon receiveth and reflecteth, like a lookingglass.
And viewed the wall] That which was left of it, τα λειψανα, as Scaliger's epitaph is, Scaligeri quod reliquum est, Scaliger's relics.
And entered by the gate of the valley] Where he first went out; so he walked the round, not caring to observe that rule of Pythagoras, Eadem via qua progressus fueris ne regrediare, Go not back the same way you came out.