Isaiah 2:4 speaks of beating these into plowshares; Joel 3:10 says to do the reverse
[DOC] [TLE] Joel 3:10 - Beat your plowshares into swords and your pruning ... [PAR] Joel 3:10 (CEB) Beat the iron tips of your plows into swords and your pruning 
tools into ... Let the weak one throw out his chest and say, "I'm tough, I'm a fighter.