Isaiah 6:2-4 Tree of Life Version (TLV)
2 Seraphim were standing above Him. Each had six wings: with two he covered his face and with two he covered his feet, and with two he flew. 3 One called out to another, and said:
“Holy, holy, holy, is Adonai-Tzva’ot!
4 Then the posts of the door trembled at the voice of those who called, and the House was filled with smoke.
Isaiah 6:2-4 New International Version (NIV)
2 Above him were seraphim, each with six wings: With two wings they covered their faces, with two they covered their feet, and with two they were flying. 3 And they were calling to one another:
“Holy, holy, holy is the Lord Almighty;
4 At the sound of their voices the doorposts and thresholds shook and the temple was filled with smoke.