King James Version (KJV)
And the king of Israel answered and said, Tell {him}, Let not him that girdeth on {his harness} boast himself as he that putteth it off.
Modern English
The king of Israel answered, “Tell him, ‘Don’t let him who puts on his armor brag like he who takes it off.’”
Hebrew
וַיַּ֤עַן מֶֽלֶךְ־יִשְׂרָאֵל֙ וַיֹּ֣אמֶר דַּבְּר֔וּ אַל־יִתְהַלֵּ֥ל חֹגֵ֖ר כִּמְפַתֵּֽחַ׃
vayaʿan melek-yishraʾel vayoʾmer dabrv ʾal-yithalel ḥoger kimpateḥa