Romans 16:19 in the King James Version
For your obedience is come abroad unto all men. I am glad therefore on your behalf: but yet I would have you wise unto that which is good, and simple concerning evil.
Context
18 For those who are such don’t serve our Lord Jesus Christ, but their own belly; and by their smooth and flattering speech they deceive the hearts of the innocent.
19 For your obedience has become known to all. I rejoice therefore over you. But I desire to have you wise in that which is good, but innocent in that which is evil.
20 And the God of peace will quickly crush Satan under your feet. The grace of our Lord Jesus Christ be with you.