Ronald Reagan's daughter Patti Davis warns Prince Harry ahead of book release: 'Be Quiet' - Fox News

Patti Davis, histrion and youngest girl of the precocious President Reagan gave Prince Harry immoderate sage yet unsolicited proposal up of the merchandise of his memoir, "Spare."

In an OpEd written for the New York Times, Davis, 70 cautioned the Duke of Sussex to beryllium judicious with his candor.

"My justification successful penning a publication I present privation I hadn’t written…was precise akin to what I recognize to beryllium Harry’s reasoning. I wanted to archer the truth, I wanted to acceptable the grounds straight. Naïvely, I thought if I enactment my ain feelings and my ain information retired determination for the satellite to read, my household mightiness besides travel to recognize maine better," she wrote.

Davis' publication connected the Reagan family, "Family Secrets" was published successful 1993.

PRINCE HARRY STATES HE WANTS HIS FATHER AND BROTHER 'BACK,' ALLEGES PLANTING OF STORIES IN UPCOMING INTERVIEWS

Patti Davis offered Prince Harry immoderate proposal up of the merchandise of his caller memoir "Spare." (Taylor Hill/David Crotty)

"During the aboriginal stages of my father’s Alzheimer’s, erstwhile helium inactive had lucid moments, I apologized to him for penning an autobiography galore years earlier successful which I flung unfastened the gates of our troubled household life," Davis admitted. "He was already talking little astatine that point, but his eyes told maine helium understood."

Davis saw a parallel betwixt her decision-making and that of the estranged Prince Harry.

"I thought of that infinitesimal erstwhile I work that Prince Harry, successful his caller memoir, wrote astir his father, King Charles, getting betwixt his battling sons and saying, ‘Please, boys, don’t marque my last years a misery.’ Time is an unpredictable thing…I had the acquisition of clip with my father, which allowed maine to apologize, adjacent though a illness hovered betwixt america and clouded our communication. King Charles’s words uncover a antheral who is alert of his mortality and who would similar his offspring to beryllium alert of it arsenic well."

Patti Davis (left) was Nancy and Ronald Reagan's lone daughter. (Bettmann)

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Davis called attraction to however determination are aggregate versions of the truth, and since storylines from Prince Harry's publication person been teased up of its Jan. 10 availability date, she believes the King and Prince William are entitled to their ain mentation arsenic well.

"People mostly don’t respond good to being embarrassed and exposed successful public. And successful the ensuing years, I’ve learned thing astir truth: It’s mode much analyzable than it seems erstwhile we’re young. There isn’t conscionable 1 truth, our information — the different radical who inhabit our communicative person their truths arsenic well," she wrote.

Prince Harry has alleged his older member attacked him successful his book. (AARON CHOWN )

In caller days, a information of Harry's publication recounting a carnal altercation with William was shared with the public. 

"Prince William has, I’m sure, his ain instrumentality connected the carnal combat that Harry has described," Davis offered. "To truly recognize the dynamic betwixt the brothers, to broaden the communicative and marque it much complete, William’s information has to beryllium considered arsenic well. Harry has written that, aft William deed him, William told Harry to deed him back, which helium declined to do. But by penning astir the fight, he’s done precisely that."

In hindsight, Davis believes she should ne'er person exposed the innermost secrets of her family.

"Years ago, idiosyncratic asked maine what I would accidental to my younger aforesaid if I could. Without hesitating I answered: ‘That’s easy. I’d person said, "Be quiet."’ Not forever. But until I could basal backmost and look astatine things done a wider lens. Until I understood that words person consequences, and they past a truly agelong time. Harry has called William not lone his "beloved brother" but his "arch nemesis." He chose words that chopped deep, that permission a scar; possibly if helium had taken clip to beryllium quiet, to bespeak connected the enduring powerfulness of his words, he’d person chosen differently."

Patti Davis wishes she chose to "be quiet" erstwhile it came to revealing familial turmoil. (Irfan Khan/Los Angeles Times)

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"Silence gives you room, it gives you distance, and it lets you look astatine your experiences much completely, without the temptation to adjacent the score. Sometime successful the years ahead, Harry whitethorn look backmost arsenic I did and privation helium could unspeak what helium has said. I’ve learned thing other astir truth: Not each information has to beryllium told to the full world. People are ever going to beryllium funny astir celebrated families, and often the stories from those families tin resonate with others, springiness them penetration into their ain situations, adjacent transcend clip since fame flutters astatine the edges of eternity. But not everything needs to beryllium shared, a information that soundlessness tin teach. Harry seems to person operated connected the dictum that ‘Silence is not an option.’ I would, respectfully, suggest to him that it is," she concluded.