Ezekiel
Ezekiel 21:10ESV·traditional attribution

sharpened for slaughter, polished to flash like lightning! (Or shall we rejoice? You have despised the rod, my son, with everything of wood.)

Matthew Henry Presbyterian @wholebiblehenry

Here is another prophecy of the sword, which is delivered in a very affecting manner; the expressions here used are somewhat intricate, and perplex interpreters. The sword was unsheathed in the foregoing verses; here it is fitted up to do execution, which the prophet is commanded to lament. Observe, I. How the sword is here described. 1.

Commenting on Ezekiel 21:8-17

John Gill Reformed Baptist @doctorgill

Cry, howl, son of man,.... Not only sigh, but cry; and not cry only, but howl; signifying hereby that this would be the case of the Jews when these calamities should come upon them; and, in order to affect them with them before hand, the prophet is ordered to act such a part, as well as to express his sympathy with them: for it shall...

Jamieson-Fausset-Brown Reformed @jfbcommentary

to make a sore slaughter--literally, "that killing it may kill." glitter--literally, "glitter as the lightning flash": flashing terror into the foe. should we . . . make mirth--It is no time for levity when such a calamity is impending (Isa 22:12-13).