Isaiah 6:3 NASB
And one called out to another and said,
“Holy, Holy, Holy, is the LORD of hosts,
The whole earth is full of His glory.”

Revelation 4:8 NASB
And the four living creatures, each one of them having six wings, are full of eyes around and within; and day and night they do not cease to say,
“Holy, holy, holy, is the LORD God, the Almighty,
Who was and who is and who is to come.”

holy, holy, holy qadowsh kadosh – sacred (cermonially or morally); God, sanctuary; holy One;

Psalm 96:9 NLT
Worship the LORD in all His holy splendor.
Let all the earth tremble before Him.

Ezra 9:8 NLT
But now we have been given a brief moment of grace, for the LORD our God has allowed a few of us to survive as a remnant. He has given us security in this holy place. Our God has brightened our eyes and granted us some relief from our slavery.

Isaiah 65:11 KJV
But ye are they that forsake the LORD, that forget My holy mountain, that prepare ye a table for that troop, and that furnish the drink offering unto that number.

1 Samuel 2:2-3 NASB
There is no one holy like the LORD,
Indeed, there is no one besides Thee,
Nor is there any rock like our God.
Boast no more so very proudly,
Do not let arrogance come out of your mouth;
For the LORD is a God of knowledge,
And with Him actions are weighed.