King James Version (KJV)
And the mountains shall be molten under him, and the valleys shall be cleft, as wax before the fire, {and} as the waters {that are} poured down a steep place. {a steep...: Heb. a descent}
Modern English
The mountains melt under him, and the valleys split apart, like wax before the fire, like waters that are poured down a steep place.
Hebrew
וְנָמַ֤סּוּ הֶֽהָרִים֙ תַּחְתָּ֔יו וְהָעֲמָקִ֖ים יִתְבַּקָּ֑עוּ כַּדּוֹנַג֙ מִפְּנֵ֣י הָאֵ֔שׁ כְּמַ֖יִם מֻגָּרִ֥ים בְּמוֹרָֽד׃
vnamasv hehariym taḥtayv vhaʿamaqiym yitbaqaʿv kadvonag mipney haʾesh kmayim mugariym bmvorad