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"The Crown" actor Khalid Abdalla held up his left hand with the words "Never Again" inscribed on his palm in a gesture calling for a ceasefire in the Middle East at the 75th annual Emmys on Monday.

According to The Guardian, the phrase's meaning has been up for debate since the dawn of the Israel-Hamas war, but has often been used to reference the atrocities of the Holocaust.

"'Our lives begin to end the day we become silent about things that matter,'" Abdalla wrote on X Monday, quoting Dr. Martin Luther King, Jr. on his namesake holiday as he posted photos from the event.

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Khalid Abdalla

Khalid Abdalla attends the 75th Primetime Emmy Awards at Peacock Theater on January 15, 2024, in Los Angeles, California.  (Neilson Barnard/Getty Images)

"Mourn the dead and fight like hell for the living," he continued. "The dove is from Bethlehem, the scales of justice for everywhere & the #ICJ [International Court of Justice]. Because all live [sic] are sacred."

The post's reference to the International Court of Justice (ICJ) addresses a case filed by South Africa against Israel for allegedly committing "genocidal acts" against Palestinians.

The British actor, 43, who stars as Princess Diana's late boyfriend Dodi Fayed in the popular Netflix series, has been outspoken about the Israel-Hamas conflict, previously calling for a ceasefire at the Los Angeles premiere of "The Crown" season six.

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'The Crown' Abdalla

Khalid Abdalla holds up his hands with two messages reading "Return the hostages" (L) and "End the occupation" as he attends "The Crown" Finale Celebration at The Royal Festival Hall on December 5, 2023, in London, England. (Karwai Tang/WireImage)

On his hands, at the time, was the message, "Ceasefire now."

The actor, last week, also wore a white armband and the same white dove he sported at the Emmys to the Golden Globes, both symbols of peace.

"The dove is made in Bethlehem. Today marks three months of unfathomable death and destruction," he wrote on X.

"We need this to end. The first step must be a permanent ceasefire," he added, tacking on the hashtag #CeasefireNOW.

THESE CELEBRITIES HAVE SPOKEN OUT IN SUPPORT OF PALESTINIANS AMID HAMAS TERROR

Golden Globes

British actor Khalid Abdalla wears a white arm band and a dove pin as he arrives for the 81st annual Golden Globe Awards at The Beverly Hilton hotel in Beverly Hills, California, on January 7, 2024. (MICHAEL TRAN/AFP via Getty Images))

Since the dawn of the Israeli-Hamas conflict on Oct. 7, a number of celebrities have taken sides and made their voices known.

Opposing Israel, along with Abdalla, are stars Gigi Hadid, Mia Khalifa, Zara Larsson and Mark Ruffalo.

Actors Mark Hamill, Natalie Portman, Jerry Seinfeld and others have expressed support for Israel.

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