2 occurrences across the corpus

Apostolic Fathers

Ignatius to the Philadelphians 2:8

Flee therefore the wicked arts and snares of the prince of this world; lest at any time being oppressed by his cunning ye grow cold in your charity. But come all together into the same place with an undivided heart.

1 Enoch

1 Enoch 60:14

For the thunder has places of rest (which) are assigned (to it) while it is waiting for its peal; and the thunder and lightning are inseparable, and although not one and undivided, they both go together through the spirit and separate not.