Rom 1:13 - Desire for Spiritual Fruits
Rom 11:25 - Dispensation of Israel's Blindness
1 Cor 10:1 - Dangers of Falling
1 Cor 12:1 - Diversities of Gifts
2 Cor 1:8 - Difficulties in Missions
2 Cor 2:11 - Devices of Satan
1 Thess 4:13 - Dead in Christ
2 Pet 3:8 - Duration to Christ's Return

Litotes is a figure of speech in which one generally makes an understatement to express the affirmative by negating its opposite, or uses a double negation to affirm the positive.