Mark 12:15

Should we pay [the tax] or should we not pay?” But knowing their hypocrisy, He asked them, “Why are you testing Me? Bring Me a coin (denarius) to look at.”

Ezekiel 17:2

“Son of man, ask a riddle and tell a parable to the house of Israel,

Matthew 22:18

But Jesus, aware of their malice, asked, “Why are you testing Me, you hypocrites?

Mark 10:2

Pharisees came to Jesus to test Him [intending to trick Him into saying something wrong], and asked Him, “Is it lawful [according to Scripture] for a man to divorce his wife and send her away?”

Luke 20:23

But He saw through their trickery and said to them,

John 2:24-25

But Jesus, for His part, did not entrust Himself to them, because He knew all people [and understood the superficiality and fickleness of human nature],

John 21:17

He said to him the third time, “Simon, son of John, do you love Me [with a deep, personal affection for Me, as for a close friend]?” Peter was grieved that He asked him the third time, “Do you [really] love Me [with a deep, personal affection, as for a close friend]?” And he said to Him, “Lord, You know everything; You know that I love You [with a deep, personal affection, as for a close friend].” Jesus said to him, “Feed My sheep.

Acts 5:9

Then Peter said to her, “How could you two have agreed together to put the Spirit of the Lord to the test? Look! The feet of those who have buried your husband are at the door, and they will carry you out also.”

1 Corinthians 10:9

We must not tempt the Lord [that is, test His patience, question His purpose or exploit His goodness], as some of them did—and they were killed by serpents.

Hebrews 4:13

And not a creature exists that is concealed from His sight, but all things are open and exposed, and revealed to the eyes of Him with whom we have to give account.

Revelation 2:23

And I will kill her children (followers) with pestilence [thoroughly annihilating them], and all the churches will know [without any doubt] that I am He who searches the minds and hearts [the innermost thoughts, purposes]; and I will give to each one of you [a reward or punishment] according to your deeds.

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
Pharisees came to Jesus to test Him [intending to trick Him into saying something wrong], and asked Him, “Is it lawful [according to Scripture] for a man to divorce his wife and send her away?”
Ezekiel 17:2
“Son of man, ask a riddle and tell a parable to the house of Israel,
Acts 5:9
Then Peter said to her, “How could you two have agreed together to put the Spirit of the Lord to the test? Look! The feet of those who have buried your husband are at the door, and they will carry you out also.”
1 Corinthians 10:9
We must not tempt the Lord [that is, test His patience, question His purpose or exploit His goodness], as some of them did—and they were killed by serpents.

General references

Luke 20:22
Is it lawful [according to Jewish law and tradition] for us to pay taxes (tribute money) to Caesar or not?”