It's possible:
* The name is slightly incorrect: Double-check the spelling and any other details about Clarence A. Ellis you might have.
* He was a private individual: He may have been a person who did not have any publicly known quotes.
* The quote was not attributed to him: The quote might be incorrectly attributed to Clarence A. Ellis.
To help you find the quote you are looking for, please provide more context:
* What is the quote about?
* What is the source of the quote (if known)?
* Is there any specific book or work associated with Clarence A. Ellis?
With more information, I can help you find the quote you are looking for.