Mark 12:15

Should we pay it, or should we not?" Now because He saw their pretense, He said to them, "Why are you testing me so? Bring me a twenty-cent coin to look at."

Matthew 22:18

But Jesus saw their malicious plot, and so asked, "Why are you testing me so, you hypocrites?

Mark 10:2

Some Pharisees came up, and to test Him they began to ask Him whether a man should be allowed to divorce his wife.

Luke 20:23

But He detected their cunning, and said to them,

John 2:24-25

But He would not trust Himself to them, because He knew all men

John 21:17

For the third time Jesus asked him, "Simon, son of John, do you really tenderly love me?" Peter was hurt because Jesus the third time asked him, "Do you really tenderly love me?" So he answered Him, "Lord, you know everything; you know that I do tenderly love you." Jesus said to him, "Then feed my sheep.

Acts 5:9

Peter said to her, "How could both of you agree in such a way to test the Spirit of the Lord? Listen! The feet of the men who buried your husband are at the door; they will carry you out, too."

1 Corinthians 10:9

Let us stop trying the Lord's patience, as some of them did, and for it were destroyed by the snakes.

Hebrews 4:13

No creature of His can escape God's sight, but everything is bare and exposed to the eyes of Him to whom we have to give account.

Revelation 2:23

and I will surely strike her children dead. So all the churches will know that I am He who searches men's inmost hearts, and that I will repay each of you for exactly what you have done.

Treasury of Scripture Knowledge

Summary

Shall we give, or shall we not give? But he, knowing their hypocrisy, said unto them, Why tempt ye me? bring me a penny, that I may see it.

General references

Bible References

Why

Mark 10:2
Some Pharisees came up, and to test Him they began to ask Him whether a man should be allowed to divorce his wife.
Acts 5:9
Peter said to her, "How could both of you agree in such a way to test the Spirit of the Lord? Listen! The feet of the men who buried your husband are at the door; they will carry you out, too."
1 Corinthians 10:9
Let us stop trying the Lord's patience, as some of them did, and for it were destroyed by the snakes.

General references

Luke 20:22
Is it right for us to pay taxes to Caesar, or not?"