Matthew 23:15 Woe unto you, scribes and Pharisees, hypocrites! for ye compass sea and land to make one proselyte, and when he is made, ye make him twofold more the child of hell than yourselves. (KJV ASV DBY YLT)
2 Corinthians 1:15 It was because I entertained this confidence that I intended to visit you before going elsewhere--so that you might receive a twofold proof of God's favour-- (WEY)
Job 42:10 Yahweh turned the captivity of Job, when he prayed for his friends. Yahweh gave Job twice as much as he had before. (See NAS)
Jeremiah 17:18 Let them be disappointed who persecute me, but let not me be disappointed; let them be dismayed, but don't let me be dismayed; bring on them the day of evil, and destroy them with double destruction. (See NAS)