Use "ever and anon" in a sentence

1. Ever and anon feed Azrael to drink an one morsel, 2 human all laugh very sweetly.

2. But ever and anon his childish prattle recurred to what impressed his imagination even more deeply than the wonders of creation.

3. Day by day thou art making me worthy of thy full acceptance by refusing me ever and anon, saving me from perils of weak, uncertain desire.

4. I would ever and anon return to take my stand there and gaze upon it, wondering what there was left in place of what had gone.