Acts 26:15

And I said, Who are you, Lord? And the Lord said, I am Jesus whom you persecute.

Matthew 25:40

And the king shall answer and say to them, I tell you truly, that inasmuch as you have done it to one of the least of these my brothers, you have done it to me.

Matthew 25:45

Then he shall answer them saying, I tell you truly, that inasmuch as you have not done it to one of the least of these my brothers, you have not done it to me.

John 15:20-21

Remember the word which I said to you, a servant is not greater than his lord. If they have persecuted me, they will also persecute you; if they have kept my word, they will also keep yours.

Treasury of Scripture Knowledge

Summary

And I said, Who art thou, Lord? And he said, I am Jesus whom thou persecutest.

Bible References

I am

Matthew 25:40
And the king shall answer and say to them, I tell you truly, that inasmuch as you have done it to one of the least of these my brothers, you have done it to me.
John 15:20
Remember the word which I said to you, a servant is not greater than his lord. If they have persecuted me, they will also persecute you; if they have kept my word, they will also keep yours.