What does the phrase Shallow waters never run deep mean?

Answer 1

It means that quiet people often have the deepest character. It's meaning was used literally when the saying was first made, then it meant that smooth waters are deep because the rocks aren't near the surface to disturb the water's surface.

"Now commonly used to assert that a placid exterior hides a passionate or subtle nature.

Cf. [Q. Curtius De Rebus Gestis Alexandri Magni VII. iv. 13]

altissima quaeque flumina minimo sono labi(translation from latin) the deepest rivers flow with least sound [said there to be a Bactrian saying].( this is a saying originating in ancient Iranian or Persian languaged which was written in Greek letters)

Answer 2

The correct phrase is "Still waters run deep," and it means that a calm, controlled person is usually much more intelligent and thoughtful than a noisy, excitable one who bounces from one thing to another.

Answer 3

This phrase means that superficial or shallow-minded individuals do not possess deep emotions or insights. It suggests that individuals who lack depth or substance are unlikely to have meaningful or profound thoughts or experiences.