Luke 21:36
But beware of slumbering; and every moment pray that you may be fully strengthened to escape from all these coming evils, and to take your stand in the presence of the Son of Man."
Luke 22:31
"Simon, Simon, I tell you that Satan has obtained permission to have all of you to sift as wheat is sifted.
Acts 7:30-38
"But at the end of forty years there appeared to him in the Desert of Mount Sinai an angel in the middle of a flame of fire in a bush.
1 Peter 5:8
Curb every passion, and be on the alert. Your great accuser, the Devil, is going about like a roaring lion to see whom he can devour.
Revelation 12:9-10
The great Dragon, the ancient serpent, he who is called 'the Devil' and 'the Adversary' and leads the whole earth astray, was hurled down: he was hurled down to the earth, and his angels were hurled down with him.