Matthew 3:15

So Jesus replied to him, "Let it happen now, for it is right for us to fulfill all righteousness." Then John yielded to him.

Then I say, "Look! I come! What is written in the scroll pertains to me.

Jesus said to them, "My food is to do the will of the one who sent me and to complete his work.

And the one who sent me is with me. He has not left me alone, because I always do those things that please him."

The Lord wanted to exhibit his justice by magnifying his law and displaying it.

They were both righteous in the sight of God, following all the commandments and ordinances of the Lord blamelessly.

Jesus replied, "You do not understand what I am doing now, but you will understand after these things."

For I have given you an example -- you should do just as I have done for you.

If you obey my commandments, you will remain in my love, just as I have obeyed my Father's commandments and remain in his love.

but emptied himself by taking on the form of a slave, by looking like other men, and by sharing in human nature.

For it is indeed fitting for us to have such a high priest: holy, innocent, undefiled, separate from sinners, and exalted above the heavens.

For to this you were called, since Christ also suffered for you, leaving an example for you to follow in his steps.

The one who says he resides in God ought himself to walk just as Jesus walked.

Treasury of Scripture Knowledge

And Jesus answering said unto him, Suffer it to be so now: for thus it becometh us to fulfil all righteousness. Then he suffered him.