Silence

used to imply that sometimes it is wiser to remain silent than to speak, as it can prevent one from saying something unnecessary or hurtful and allow one to listen, reflect, and learn from others

When you're unsure of what to say, remember that there is no wisdom like silence, and it's okay to take a moment to think.

used to imply that people who do not speak much or show their emotions can sometimes have hidden motives or qualities, and one should be cautious and attentive around them

Although he seemed friendly and harmless, his quiet demeanor made some people wary - after all, beware of a silent man and still water.

used to suggest that when someone remains silent in a situation where they could speak out or object, it can be interpreted as a form of agreement or acceptance

Although he didn't agree with the decision that was being made, he remained silent and didn't speak out - silence is half consent, and his lack of objection was seen as agreement.

used to suggest that sometimes it is better to remain quiet and not speak out, as silence can be more valuable and effective than speaking

When in a heated argument, it's often better to remain silent and composed, as speech is silver, silence is golden.

used to imply that it is often wise to remain quiet and listen carefully before speaking or taking action

My mother always used to say that a still tongue makes a wise head, as a reminder to think before I speak and to not reveal everything that's on my mind.

used to suggest that it is often wiser to remain silent and refrain from engaging in arguments or discussions with foolish, ignorant, or irrational individuals

When his coworker started making ridiculous claims at the meeting, John remembered that silence is the best response to a fool, and decided not to engage in an argument.