Learning is a fountain of life to one who possesses it. The doctrine of the foolish is senseless
Other versions
King James Version
Understanding is a wellspring of life unto him that hath it: but the instruction of fools isEnglish Standard Version
Good sense is a fountain of life to him who has it, but the instruction of fools is folly.New International Version
Understanding is a fountain of life to those who have it, but folly brings punishment to fools.