Matthew 21:24

Jesus answered them, "Let me too ask you just one question, and if you answer it, I will tell you what sort of authority I have for doing as I do.

Matthew 10:16

"Listen! I am sending you out as sheep surrounded by wolves. So you must be sensible like serpents and guileless like doves.

Luke 6:9

Then Jesus said to them, "Is it right on the Sabbath to do people good, or to do them evil, to save life or to take it?"

Colossians 4:6

Always let your conversation be seasoned with salt, that is, with winsomeness, so that you may know how to make a fitting answer to everyone.

Treasury of Scripture Knowledge

Summary

And Jesus answered and said unto them, I also will ask you one thing, which if ye tell me, I in like wise will tell you by what authority I do these things.

Bible References

I also

Matthew 10:16
"Listen! I am sending you out as sheep surrounded by wolves. So you must be sensible like serpents and guileless like doves.
Luke 6:9
Then Jesus said to them, "Is it right on the Sabbath to do people good, or to do them evil, to save life or to take it?"
Colossians 4:6
Always let your conversation be seasoned with salt, that is, with winsomeness, so that you may know how to make a fitting answer to everyone.