John Gills Exposition of the Bible Commentary - Psalms 98:8
Let the floods clap their hands ,.... Or "rivers" F5 נהרות "fluvii", Cocceius, Gejerus, so Ainsworth. , dashing against their banks, as they pass along; a prosopopoeia, as the preceding and following, expressing great joy on account of the Messiah, the reigning King. Aben Ezra interprets this of men that are in rivers, as the sea; in the preceding verse of such that are in ships at sea; and the hills in the next clause of such that dwell on them; let the hills be joyful together ... read more
Matthew Henry's Complete Commentary - Psalms 98:4-9
The setting up of the kingdom of Christ is here represented as a matter of joy and praise. I. Let all the children of men rejoice in it, for they all have, or may have, benefit by it. Again and again we are here called upon by all ways and means possible to express our joy in it and give God praise for it: Make a joyful noise, as before, Ps. 95:1, 2. Make a loud noise, as those that are affected with those glad tidings and are desirous to affect others with them. Rejoice and sing praise, sing... read more