Revelation 7:1-3
After this I saw four angels standing at the four corners of the earth, holding back its four winds so that no wind would blow on land or sea or on any tree. / And I saw another angel ascending from the east, with the seal of the living God. And he called out in a loud voice to the four angels who had been given power to harm the land and the sea: / “Do not harm the land or sea or trees until we have placed a seal on the foreheads of the servants of our God.”

Revelation 10:1-3
Then I saw another mighty angel coming down from heaven, wrapped in a cloud, with a rainbow above his head. His face was like the sun, and his legs were like pillars of fire. / He held in his hand a small scroll, which lay open. He placed his right foot on the sea and his left foot on the land. / Then he cried out in a loud voice like the roar of a lion. And when he cried out, the seven thunders sounded their voices.

Ezekiel 1:5-14
and within it was the form of four living creatures. And this was their appearance: They had a human form, / but each had four faces and four wings. / Their legs were straight, and the soles of their feet were like the hooves of a calf, gleaming like polished bronze. ...

Ezekiel 10:9-14
Then I looked and saw four wheels beside the cherubim, one wheel beside each cherub. And the wheels gleamed like a beryl stone. / As for their appearance, all four had the same form, like a wheel within a wheel. / When they moved, they would go in any of the four directions, without turning as they moved. For wherever the head faced, the cherubim would go in that direction, without turning as they moved. ...

Genesis 28:12
And Jacob had a dream about a ladder that rested on the earth with its top reaching up to heaven, and God’s angels were going up and down the ladder.

Genesis 31:11
In that dream the angel of God said to me, ‘Jacob!’ And I replied, ‘Here I am.’

Zechariah 1:8-11
I looked out into the night and saw a man riding on a red horse. He was standing among the myrtle trees in the hollow, and behind him were red, sorrel, and white horses. / “What are these, my lord?” I asked. And the angel who was speaking with me replied, “I will show you what they are.” / Then the man standing among the myrtle trees explained, “They are the ones the LORD has sent to patrol the earth.” ...

Zechariah 6:1-8
And again I lifted up my eyes and saw four chariots coming out from between two mountains—mountains of bronze. / The first chariot had red horses, the second black horses, / the third white horses, and the fourth dappled horses—all of them strong. ...

Matthew 18:10
See that you do not look down on any of these little ones. For I tell you that their angels in heaven always see the face of My Father in heaven.

Matthew 24:31
And He will send out His angels with a loud trumpet call, and they will gather His elect from the four winds, from one end of the heavens to the other.

Luke 1:11-19
Just then an angel of the Lord appeared to Zechariah, standing at the right side of the altar of incense. / When Zechariah saw him, he was startled and gripped with fear. / But the angel said to him, “Do not be afraid, Zechariah, because your prayer has been heard. Your wife Elizabeth will bear you a son, and you are to give him the name John. ...

Acts 12:7-10
Suddenly an angel of the Lord appeared and a light shone in the cell. He tapped Peter on the side and woke him up, saying, “Get up quickly.” And the chains fell off his wrists. / “Get dressed and put on your sandals,” said the angel. Peter did so, and the angel told him, “Wrap your cloak around you and follow me.” / So Peter followed him out, but he was unaware that what the angel was doing was real. He thought he was only seeing a vision. ...

Acts 27:23-24
For just last night an angel of the God to whom I belong and whom I serve stood beside me / and said, ‘Do not be afraid, Paul; you must stand before Caesar. And look, God has granted you the lives of all who sail with you.’

Hebrews 1:14
Are not the angels ministering spirits sent to serve those who will inherit salvation?

Revelation 14:6-7
Then I saw another angel flying overhead, with the eternal gospel to proclaim to those who dwell on the earth—to every nation and tribe and tongue and people. / And he said in a loud voice, “Fear God and give Him glory, because the hour of His judgment has come. Worship the One who made the heavens and the earth and the sea and the springs of waters.”