Psalm 100:4 English Standard Version (ESV) Enter his gates with thanksgiving, and his courts with praise! Give thanks to him; bless his name!

His name is Jesus.

Jesus is seated at the right hand throne of God, the power hand. All authority has been placed in Him.

Colossians 3:3 English Standard Version (ESV) For you have died, and your life is hidden with Christ in God.

2 Samuel 18:13 English Standard Version (ESV) On the other hand, if I had dealt treacherously against his life (and there is nothing hidden from the king), then you yourself would have stood aloof.”

We learn our lessons about attitudes from the Old Testament. We live in the New Covenant when we accept Jesus by faith. The old instructs the new about how we acted before with attitudes we need to avoid.

Sanctification is an ongoing process. 

John 17:18-20 English Standard Version

18 As you sent me into the world, so I have sent them into the world. 19 And for their sake I consecrate myself, that they also may be sanctified in truth. 20 “I do not ask for these only, but also for those who will believe in me through their word,

What did Jesus set apart?

Ezekiel 37:27-28 English Standard Version

27 My dwelling place shall be with them, and I will be their God, and they shall be my people. 28 Then the nations will know that I am the Lord who sanctifies ******, when my sanctuary is in their midst forevermore.”

****** is Israel which in the New Covenant terms is the Bride. Circumcision is a matter of the heart, by the Spirit. (Rom 2:29)