How to use "firmness" in a sentence

With malice toward none; with charity for all; with firmness in the right, as God gives us to see the right, let us strive on to finish the work we are in; to bind up the nation's wounds; to care for him who shall have borne the battle, and for his widow, and his orphan - to do all which may achieve and cherish a just and lasting peace, among ourselves, and with all nations.

Gradually, day by day, week by week, she had put Danny behind her, with sorrow, with guilt, with tears and much bitterness, but also with firmness and determination

His hands moved over her, testing the firmness and resilience of her, and she touched him too, gently squeezing his shoulders, his arms, the hard muscles of his back