According to friend and radio presenter Paul Gambaccini, Sir Cliff is said to have told him he was "praying to God to forgive my accuser."
Gambaccini's just released his memoir of the year he spent under investigation by the Met Police's Operation Yewtree, after being exonerated of the allegations.
Speaking to the BBC, he said: "Cliff is going through something very similar to me. Because I know the details of that case, I can say it is very similar to my case. Cliff just has to wait until the process is over.
Referring to conversations he'd had with Sir Cliff about the need to be gracious to those who accuse, he said: "Precisely because we don't know them, we cannot know their state of mind. And the generous and religious man that he is, he said, 'I am glad you said that, I have been praying to God to forgive my accuser'."
Sir Cliff was questioned over allegations he assaulted a boy under 16 at a rally for US evangelist Billy Graham in Sheffield in 1985.
Sir Cliff has never been arrested or charged, describing the allegations against him as "absurd and untrue", adding that he'd "never, in my life, assaulted anyone".
In February, an independent report found the singer may have suffered "unnecessary distress" after the BBC broadcast a police search of his Berkshire home last August amid allegations.
A Home Affairs Select Committee has also called for the "utterly inept" South Yorkshire police force to apologise while Sir Cliff's lawyer threatened to sue the BBC saying his client had suffered "immeasurable harm".
