In the hit British comedy show Fawlty Towers it was hotel owner Basil Fawlty who made the mantra famous while hosting guests from what was then West Germany.
Basil told his hotel staff "don't mention the war", but couldn't help himself and kept referring to "the war" in a series of skits.
The Broncos play Penrith away on Thursday night, the first time they have met the Panthers since the 2023 decider.
On Sunday the ban on mentioning last year's 26-24 defeat to the Panthers had clearly kicked in. Coach Kevin Walters was asked after training about when he sat his players down to watch the 2023 decider to learn lessons.
"We are not talking about last year's grand final," Walters quipped.
On Monday, prop Corey Jensen was asked what he learned from the last 20 minutes, where the Broncos had given up a 24-8 lead.
"We are not allowed to talk about that game, sorry, so I am not allowed to say anything about that," he said.
"We have flushed that now. We are not allowed to talk about that at all. We are going to let that go."
Hooker Billy Walters was asked the same question as Jensen on Monday.
"No. That is last year. We are not worried about that. We can't dwell on last year," he said.
A month ago the Broncos were happy to talk at length about the loss.
Forward Jordan Riki spoke about the benefits of watching the replay in review.
"I thought it was a healing session for us," he said.
"The end of last year still kills us and we want to prove a point."
The "ban" had clearly not kicked in on Thursday night after the 28-18 win over South Sydney.
Basil Fawlty, when referencing "the war", added, "I mentioned it once but I think I got away with it."
That clearly applied to two Broncos players.
Winger Jesse Arthars was happy to talk about the grand final
"A lot of the boys were hurting from that but it is just fuel to the fire," he said.
As for lessons learned from the final 20 minutes, Arthars added: "We just can't miss our marks in attack and we need to lock in on defence and not miss jobs."
Winger Deine Mariner, who didn't play in the decider, said the big lesson the team learned was that "moments are a big thing".
"We lost that game due to moments. It is really big that we start playing really selfless," he said.
"What Kev has really put into the team, is being selfless and doing the work that you know your mate is going to need you to do."
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