Isaiah 6:3

6:3 They called out to one another, “Holy, holy, holy is the Lord who commands armies! His majestic splendor fills the entire earth!”

Revelation 3:7

To the Church in Philadelphia

3:7 “To the angel of the church in Philadelphia write the following:

“This is the solemn pronouncement of the Holy One, the True One, who holds the key of David, who opens doors no one can shut, and shuts doors no one can open:

Revelation 4:8

4:8 Each one of the four living creatures had six wings and was full of eyes all around and inside. They never rest day or night, saying:

“Holy Holy Holy is the Lord God, the All-Powerful,

Who was and who is, and who is still to come!”

Revelation 6:10

6:10 They cried out with a loud voice, “How long, Sovereign Master, holy and true, before you judge those who live on the earth and avenge our blood?”