And each of the four living beings had six wings [and] were covered with eyes all around them and [even] within them. And day and night they never stop saying, [Note: Some translations have "singing" here and at other places below], "Holy, holy, holy [is] the Lord God Almighty, who was [in the past] and who is [in the present] and who will come [in the future]."

This calls for wisdom; the person who has understanding should calculate the number of the beast, for it is the number of a person. And his number is six hundred and sixty-six.