Isaiah 2:4 speaks of beating these into plowshares; Joel 3:10 says to do the reverse
Beat your plowshares into swords and your 
pruninghooks into spears: let the... [DOC] [TLE] Joel 3:10 - Beat your plowshares... - Verse-by-Verse Commentary [PAR] Joel 3:10 - Beat your plowshares into swords And your pruning hooks into spears
; ... Let the weak say, I am strong - It is one last gathering of the powers of the 
world ... the contrasting passage in Isaiah 2:4 about beating swords into 
plowshares, etc.