It was a well-timed display from Cech after the former Chelsea star was replaced by pre-season signing Bernd Leno for Thursday's Europa League win over Vorskla Poltava.
The visitors continued to keep a high tempo, forcing Arsenal into a couple of defensive errors as Emery's side once again tried to play out from the back. "But I am going to think that the first 60 minutes were very good and that we are going to continue impressing with those ideas".
"Petr has big experience and a big quality". He started the season very well. I think we deserved more.
We don't know now but it's his knee.
Everton's rotten record away to the top-6 has always been a source of enormous frustration, but alarm bells could also be ringing when supporters learn of Silva's shocking record on the road in England.
Cech, 36, added: "Everton created a lot of chances in the first half and we had to stick together". A first clean sheet. "Then we scored the goal and I made a decision to stop it and think again about who we need next".
"As an experienced player, you have to do your part".
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Pakistan described India's reasons as excuses to enable it to avoid holding talks before national elections next year. Pakistan President Dr Arif Alvi, said, "Sad to see India backing off from FM level talks".
No matter, striker Lacazette broke the deadlock with a cracking shot 11 minutes after the restart.
Arsenal are up to sixth place in the Premier League, a welcome sight after the gloom that followed their two-game losing streak at the start of Emery's reign.
To give the Spaniard his due, Emery's English is vastly improved since his arrival in May and he now seems able to express himself with clarity and fluency.
The Gunners worked a three-on-one situation and, after a slip from Ramsey looked to have killed off the promising move, the Welshman managed to flick the ball through for Aubameyang to tuck home.
Emery's team are still a work in progress but have shown excellent promise during their four consecutive victories including their 2-1 victory at St James' Park against Newcastle United in the previous league match. "I think I did a good job with the ball, with the passing".
The England Under-21 worldwide burst into the box only to be stopped by recalled Arsenal goalkeeper Petr Cech as he looked to round the Gunners captain.