Title. A Song of degrees. Same as 120. See App-67 .
Blessed is = O the happinesses of. See the Beatitudes. App-63 .
feareth = revereth.

labour. Put by Figure of speech Metonymy (of Cause), App-6 , for that which is produced by labour.
thine hands: i.e. thine own hands, in contrast with the opposite (Leviticus 26:16 . Deuteronomy 28:30-33 , Deuteronomy 28:39 , Deuteronomy 28:40 ). See also Amos 5:11 .Micah 6:15 .

wife . . . fruitful. The reference is, as in Psalms 127 to the fact that Hezekiah was childless at this time and ionged for an heir. App-67 .
children = sons.

Behold. Figure of speech Asterismos. App-6 .
man = a strong man (plural) Hebrew. geber. App-14 .
blessed. Not the same word as in Psalms 128:1 . That is happy ( Beatitudo ); this is blessed ( Benedictio ).

And thou shalt see: or, That thou mayest see.

thou shalt see. Hezekiah did see.
peace. Because this Psalm concludes a group.