Isaiah 6
2 Ref Above him stood the seraphim: each one had six wings; with twain he covered his face, and with twain he covered his feet, and with twain he did fly.
3 Ref And one cried unto another, and said, Holy, holy, holy, is Jehovah of hosts: the whole earth is full of his glory.
4 Ref And the foundations of the thresholds shook at the voice of him that cried, and the house was filled with smoke.