Isaiah 6:2-4 Complete Jewish Bible (CJB)
2 S’rafim stood over him, each with six wings — two for covering his face, two for covering his feet and two for flying. 3 They were crying out to each other,
“More holy than the holiest holiness
4 The doorposts shook at the sound of their shouting, 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.