Definition & Meaning of "a great ship asks deep waters"

What is the origin of the proverb "a great ship asks deep waters" and when to use it?

The proverb "a great ship asks deep waters" appears to be a traditional saying, but its exact origin is not well-documented. It suggests that those who are capable of achieving great things must be tested or placed in environments that allow them to grow, learn, and prove their worth. The saying reflects the idea that greatness is often refined and revealed through challenges.