You may say things out of anger that you later come to regret. It's preferable to remain silent and give yourself some space before speaking.
Sometimes, arguments can get really heated. Remaining silent and patiently listening to someone else could help to diffuse the situation.
Avoid answering questions that you are not aware of. Compared to speculating and providing incorrect answers, it is much better.
Stay away from speaking out when faced with criticism and judgment. Accept criticism and let the time respond.
People have difficult times, and when they do, they need someone to listen to them. Show them support and be all ears.
When things don't go as planned, self-doubt is natural and quite human. Remain silent, own up to it, and come up with a fix.
Reputations and relationships can suffer when gossip is exchanged. You can stay out of contributing to unfavourable discussions by remaining silent.