Who said "The empty vessel makes the loudest sound."?

This quote is attributed to Plato.

The empty vessel makes the loudest sound. - Plato

"The empty vessel makes the loudest sound."

Plato

Philosopher Ancient Greek 428–348

"The only true wisdom is in knowing you know nothing."

"The measure of a person is what they do with power."

"We are not makers of history. We are made by history."

"Knowledge which is acquired under compulsion obtains no hold on the mind."