Prov.9.9

Give instruction to a wise man, and he will be yet wiser: teach a just man, and he will increase in learning.

Prov.9.9

Save your breath for the wise--they'll be wiser for it; tell good people what you know--they'll profit from it.

Prov.9.9

Instruct a wise man and he will be wiser still; teach a righteous man and he will add to his learning.

Prov.9.9

Give instruction to a wise man, and he will be still wiser; Teach a just man, and he will increase in learning.