There is much wisdom in the Bible about the words we are to speak. Proverbs 15 starts with simple truths.
A gentle answer turns away wrath, but a harsh word stirs up anger.(vs 1) The tongue of the wise commends knowledge, but the mouth of the fool gushes folly.(vs. 2) The tongue that brings healing is a tree of life, but a deceitful tongue crushes the spirit.(vs. 4) The eyes of the LORD are everywhere, keeping watch on the wicked and the good.(vs. 3)
There you have it. Gentle words, wise words, healing words? Or harsh words, foolish words, lying words?
THE LORD SEES THEM ALL