“It is very tempting to blame others or to blame the situation around us”, but “word problems reveal heart problems. The people and situations around us do not make us say what we say; they are only the occasion for our hearts to reveal themselves in words.” Paul Tripp
“Let it be a settled principle again in our religion, that when a man’s general conversation is ungodly, his heart is graceless and unconverted. Let us not give way to the vulgar notion, that…although men are living wickedly, they have got good hearts at the bottom. Such notions are flatly contradictory to our Lord’s teaching. Is the general tone of a man’s communication carnal, worldly, irreligious, godless, or profane? Then let us understand that this is the state of his heart. When a man’s tongue is generally wrong, it is absurd, no less than unscriptural, to say that his heart is right.” J.C. Ryle
“…What comes out of the mouth proceeds from the heart, and …defiles a person.” (Matthew 15:18 ESV)