Job 1:7 And the LORD said unto Satan, Whence comest thou? Then Satan answered the LORD, and said, From going to and fro in the earth, and from walking up and down in it.

1 Peter 5:8 Be sober, be vigilant; because your adversary the devil, as a roaring lion, walketh about, seeking whom he may devour:

Matthew 12:43 When the unclean spirit is gone out of a man, he walketh through dry places, seeking rest, and findeth none.

Luke 10:18 And he said unto them, I beheld Satan as lightning fall from heaven.

John 14:30 Hereafter I will not talk much with you: for the prince of this world cometh, and hath nothing in me.