Matthew 10:16-17

"Behold, I send you forth as sheep in the midst of wolves; become ye, therefore, as wise as the serpents and as innocent as doves.

Romans 3:8

And why not (as we are slanderously reported, and as some affirm that we say), "Let us do evil that good may come?" whose condemnation is just.

Treasury of Scripture Knowledge

Summary

But Gedaliah the son of Ahikam said unto Johanan the son of Kareah, Thou shalt not do this thing: for thou speakest falsely of Ishmael.

Bible References

Thou shalt

Matthew 10:16
"Behold, I send you forth as sheep in the midst of wolves; become ye, therefore, as wise as the serpents and as innocent as doves.
Romans 3:8
And why not (as we are slanderously reported, and as some affirm that we say), "Let us do evil that good may come?" whose condemnation is just.