beware of a silent man and still water
be (wary|mindful) of a silent man and still watertrust not still water nor a silent manbeware of a silent man and still water
01
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
Proverb
أمثلة
Although he seemed friendly and harmless, his quiet demeanor made some people wary - after all, beware of a silent man and still water.
