"We played very well, but we knew that Fulham play good football and would try to hit us on the counter-attack", the Gabon global told BT Sport.
Aaron Ramsey, who came off the bench, bagged a goal and an assist while the only consolation for Fulham came through Andre Schurrle.
Liverpool, who remain unbeaten in their last 18 home games against City, came out roaring and dominated the opening 10 minutes but Pep Guardiola's visiting side weathered that early storm and were the more risky after the break.
The hosts were more than a match for Emery's side in the first half, Arsenal kicking-off just 56 hours after landing back from their Europa League trip to Azerbaijan.
It seemed unlikely after their back-to-back losses to City and Chelsea at the start of the season, but Arsenal are now only a point behind the champions and Liverpool, who meet at Anfield later on Sunday.
President Trump fires up supporters, rips Minnesota Democrats at Rochester rally
He called the Democrats "truly the party of crime". 'She took a wacky guy's place, ' Trump said of Smith. Quotable quote: "Can you imagine Nancy Pelosi as Speaker of the House?"
The Gabon worldwide, who has been involved in 21 goals since joining Arsenal in January this year, looks in devastating form after enduring a quiet start to the campaign; his score of 93/100 shows he is approaching something close his lethal best. And Arsenal are two points behind, yeah? The Gabon striker wasn't finished yet and, in the last minute, he smashed in Ramsey's pass for his sixth goal of the season.
The win was Arsenal's ninth in succession in all competitions - their best run since stringing together eight successive wins from March to April 2015 - and put them into the top four.
"Because we need to continue to improve and we can".
The Frenchman was nominated for the Premier League player of the month for September and has started October in a similar vein.
Substitutes Aaron Ramsey and Pierre Emerick-Aubameyand scored three goals and assisted a further two between them - achieving a milestone. They will play Leicester City after the global break and will then make a trip to Portugal to play Sporting CP in the Europa League. After they scored a second, I tried to find some way to equalise the game.