John Calvin Reformed @genevareformer

It is, indeed, an abrupt phrase when he says, Good and he will wait; for these words are without a subject; but as it is a general statement, there is no ambiguity. The Prophet means that it is good to hope and to be silent as to the salvation, of God.

Matthew Henry Presbyterian @wholebiblehenry

Here the clouds begin to disperse and the sky to clear up; the complaint was very melancholy in the former part of the chapter, and yet here the tune is altered and the mourners in Zion begin to look a little pleasant. But for hope, the heart would break.

Commenting on Lamentations 3:21-36

John Gill Reformed Baptist @doctorgill

It is good that a man should both hope and quietly wait,.... This follows from the former; for if God is good to such, it must be good for them to hope and wait for him; it is both their duty and their interest: and it may be observed, that hope is the ground of patient waiting, and is here promised to it; where there...