"This comeback was very hard, but I think the reaction was very good from every player", Emery told reporters.
"After, I want to take to take better control with the ball and with possession".
And he says not many people would have thought that at the beginning of the campaign.
Despite going up 2 goals early, the match was never truly secure for Arsenal, who are always prone to defensive mistakes.
"We can be proud today".
Kalidou Koulibaly salutes the Napoli fans
'We were confident. We knew after the first leg even if we lost, if we played our game we could win and go to the next round'.
But Arsenal's tempo slipped and a run from Hatem Ben Arfa - an outcast under current Gunners boss Unai Emery at Paris Saint-Germain - ended with a tame shot at Petr Cech.
"These two matches have been very hard", Emery added.
"It has given us a big confidence on Sunday against Manchester United and today, the same I think with this performance and victory". Every team is now important and it's going to be very hard. Although they have no more top-six teams to face in the Premier League this season, they play more away than home fixtures.
"I said to the players this competition is exciting not just because it gets in the Champions League, but also it's a title".
Gabon global Aubameyang is more used to featuring in the Champions League than Europe's second-tier competition, but his early impact with a goal and an assist was decisive for the Gunners.
With domestic football about to shut down for the worldwide break, Arsenal are not due to be in action again until playing host to Newcastle on April 1.
Ryan Tannehill Traded To The Tennessee Titans
Tannehill completed 18 of 19 passes that day to help the Dolphins build a 41-0 halftime lead on their way to a 44-26 victory. He's 42-46 as a starter with a 62.8-percent completion rate, 20,434 passing yards, 123 touchdowns and 75 interceptions.
Jury Awards $29.4 Million in Talcum-Cancer Trial
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Trump issues first veto to protect border order
After many had spoken, Trump dramatically signed his veto message and then held the document up for the cameras to capture. He described the Congressional attempt to stop him as a "dangerous" and "reckless" resolution that was "against reality".