Use "mournfulness" in a sentence

1. 'Enough of this mournfulness

2. The mournfulness of the place and time, and the great terror of this illusion, though it was but momentary, caused me to feel an indescribable awe as I came out between the open wooden gates where I had once wrung my hair after Estella had wrung my heart

3. "I wish you could have stayed," said Dorothea, with a touch of mournfulness, as she rose and put out her hand

4. Suddenly—and it was all through the loving mournfulness of Becky's streaming eyes—her face looked more like a child's not so much too old for her years