Revelation 3:8

3:8 ‘I know your deeds. (Look! I have put in front of you an open door that no one can shut.) I know that you have little strength, but you have obeyed my word and have not denied my name.

Revelation 11:6

11:6 These two have the power to close up the sky so that it does not rain during the time they are prophesying. They have power to turn the waters to blood and to strike the earth with every kind of plague whenever they want.