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Arsene Wenger feels clubs must try to resist public opinion when it comes to deciding whether or not to stick with their managers.
Wenger is the longest-serving manager in the Premier League having been at the helm of the Gunners since 1996, while only a handful of his rivals have been at their posts since 2013.
Already this season there have been four dismissals with Dick Advocaat, Brendan Rodgers, Tim Sherwood and Garry Monk all leaving their posts.
Monk's sacking came just a few short months after he guided Swansea to eighth in the Premier League and Wenger believes clubs put too much emphasis on public opinion when making a decision on their manager's fate.
"Garry Monk surprised me as he had done a good job last year. I was quite surprised," Wenger told reporters when asked about Monk's sacking.
"Why do managers lose their jobs? The modern world is more impatient.
"It is always down to people at the clubs. Public opinion often lives in the present and you could say they need to be stronger than ever to resist to that."
Arsenal have had a lengthy injury list to contend with this season and there have been suggestions that Wenger will dip into the transfer market in January.
While he will be on the lookout for new players, Wenger has yet to identity a potential target and is focusing on getting through the Christmas period without further injuries.
"We will be out there and seeing what we can do, but we have the whole of December to go and we are in a strong position in the Premier League," he said at his weekly press conference.
"But we are short and it is important that we don’t lose any more players.
"On one side people want you to have seven strikers, on the other side when you rest one they ask you why you are not playing him."