Proverbs Chapter 12 Verse 16

Pro 12:16 A fool's anger is known at once, But a prudent man conceals dishonor. A foolish person or a wicked person cannot contain themself, they have to broadcast their outrage. A wise man though keeps the poker face and doesn’t fly off the handle. You can also tie this into swearing, someone who can’t keep their rage in check tends to swear a lot, dropping F-bombs when something breaks or doesn’t go their way or calling someone who upset them a curse word behind their ba...