The Premier League-leading Gunners host the League One Sky Blues in the fourth round of the cup on Friday night but Wenger does not want the glaring difference in quality between the two sides to be taken for granted.
"We have to prepare seriously for this game, because we are on a good run and it will be really not welcome at all not to take this game seriously," Wenger said.
"We are still in a moment of our lifetime, this team, where we want to gain respect and through our attitude is the best way to gain respect.
"Football maybe is the only sport which can make it so unpredictable and that is why it is so interesting as well.
"If you have two or three divisions' difference in basketball or rugby, volleyball or handball, you cannot do it, but in football you can."
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