Isaiah
Isaiah 26:4ESV·traditional attribution

Trust in the LORD forever, for the LORD GOD is an everlasting rock.

John Calvin Reformed @genevareformer

4. Trust ye in Jehovah for ever. As to the words, some read in the second clause, “Trust in God, the strong Jehovah of ages;” but as צור (tzūr) is not always an adjective, but signifies strength, I reject that meaning as forced, besides that it has little relation to the subject, as will immediately appear.

Matthew Henry Presbyterian @wholebiblehenry

To the prophecies of gospel grace very fitly is a song annexed, in which we may give God the glory and take to ourselves the comfort of that grace: In that day, the gospel day, which the day of the victories and enlargements of the Old Testament church was typical of (to some of which perhaps this has a primary reference), in that day this...

Commenting on Isaiah 26:1-4

John Gill Reformed Baptist @doctorgill

Trust ye in the Lord for ever,.... In the Word of the Lord for ever and ever, as the Targum again; that is, at all times, in every state and condition, in times of affliction, temptation, and darkness; for he will support under, and in his own time deliver out of every trouble, and cause all things to work to gether for good; and trust...