There is one that is wise and teacheth many, and yet is unprofitable to himself.
WEB
Sirach 37:19
There is one who is clever and the instructor of many, and yet is unprofitable to his own soul.
Parallel Translations
There is one that is wise and teaches many, and yet is unprofitable to himself.
There is one that is wise and teacheth many, and yet is unprofitable to himself.