So, repent, or I will come to you quickly and will attack those people with the sword of my mouth.

And I will strike her children dead [or, "kill her children by some terrible calamity" See Ex. 5:3 LXX]. Then all the churches will know that I am the One who searches the inmost being of people [Note: The Greek says, "searches the kidneys and hearts." In that day these internal organs stood for the inner thoughts, emotions, etc.]. And I will repay each one of you people according to what you have done.

I am coming soon [or, suddenly. See 2:16, 25; 3:3]. Hold on firmly to what you have [i.e., opportunity, obedience, steadfastness, etc.] so that no one takes away your crown [See 2:10].

They were told not to hurt the grass of the earth, nor any green thing, nor any tree, but [to hurt] only the people who do not have the seal (mark of ownership, protection) of God on their foreheads.

And great hail of about the weight of a talent [the Attic talent, pounds, the Jewish, 113] came down from heaven upon men; and men blasphemed God on account of the plague of the hail because its plague was very great.