Romans 16:19
"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."
Cross References (ranked by relevance)
Behold, I send you forth as sheep in the midst of wolves: be ye therefore wise as serpents, and harmless as doves.
Brethren, be not children in understanding: howbeit in malice be ye children, but in understanding be men.
That ye may be blameless and harmless, the sons of God, without rebuke, in the midst of a crooked and perverse nation, among whom ye shine as lights in the world;
First, I thank my God through Jesus Christ for you all, that your faith is spoken of throughout the whole world.
And this I pray, that your love may abound yet more and more in knowledge and in all judgment;
Wherefore be ye not unwise, but understanding what the will of the Lord is.
For my people is foolish, they have not known me; they are sottish children, and they have none understanding: they are wise to do evil, but to do good they have no knowledge.
I will behave myself wisely in a perfect way. O when wilt thou come unto me? I will walk within my house with a perfect heart.
Let the word of Christ dwell in you richly in all wisdom; teaching and admonishing one another in psalms and hymns and spiritual songs, singing with grace in your hearts to the Lord.
Go your ways: behold, I send you forth as lambs among wolves.