Wisdom 18:9

9 During all this time devout people from this righteous nation were secretly offering sacrifices, giving their word to each other that they would keep God's law and share each other's blessings and dangers. Already they were chanting those ancient hymns of praise.

Wisdom 18:9 In-Context

7 Your people knew that you would rescue the righteous nation and destroy their enemies.
8 With the same act you punished our enemies and did us the glorious honor of calling us to yourself.
9 During all this time devout people from this righteous nation were secretly offering sacrifices, giving their word to each other that they would keep God's law and share each other's blessings and dangers. Already they were chanting those ancient hymns of praise.
10 But their enemies' pitiful cries of grief echoed everywhere, as they mourned for their dead children.
11 Masters suffered the same punishment as their slaves; the king endured the same loss as the common people.
Scripture taken from the Good News Translation - Second Edition, Copyright 1992 by American Bible Society. Used by Permission.