ever and anon

ever and anon (not comparable)

1. (literary) Now and then.
   • 1851 November 14, Herman Melville, chapter 3, in Moby-Dick; or, The Whale, 1st American edition, New York, N.Y.: Harper & Brothers; London: Richard Bentley, OCLC 57395299, page 12:

     Ever and anon a bright, but, alas, deceptive idea would dart you through.

   • 1944 May and June, “When the Circle was Steam Operated”, in Railway Magazine, page 134:

     Ever and anon the guard's face could be dimly seen at his window, more like a ghost than a man; [...].

   • 1955, J.R.R. Tolkien, The Return of the King, Book V, Chapter 1:

     Pippin never forgot that hour in the great hall under the piercing eye of the Lord of Gondor, stabbed ever and anon by his shrewd questions