Psalms 39:4 Midrash

חַם־לִבִּ֨י ׀ בְּקִרְבִּ֗י בַּהֲגִיגִ֥י תִבְעַר־אֵ֑שׁ דִּ֝בַּ֗רְתִּי בִּלְשֽׁוֹנִי׃

My heart waxed hot within me; while I was musing, the fire kindled; Then spoke I with my tongue:

Read midrashic interpretation of Psalms 39:4: and classical rabbinic exegesis.