With Arsenal heading into the global break on the back of a positive run of results there is talk they could now finish back in the top four - if not challenge for the title - having missed out on Champions League football for the last two seasons.
Manchester City, Liverpool and Chelsea are all on 20 points after eight games played, with Arsenal on 18 in fourth place.
"I think we have to keep this mentality", Aubameyang told Arsenal FC's website.
Losses to Manchester City and Chelsea at the beginning of the season were quickly put right, and the team looks far more comfortable under Unai Emery than they did previously.
Turkey's Erdogan says following case of missing Saudi journalist personally
But if proven, the murder of Jamal Khashoggi would be the most serious diplomatic crisis between the two in living memory. Saudi Arabia has long run a murderous regime that also uses "anti-terror" legislation to jail human rights defenders.
Summer signing Sokratis and German centre-back Shkodran Mustafi have been the preferred partnership in central defence for the Gunners this season but Merson is not convinced the pair have what it takes to keep Arsenal's good form going.
Alexandre Lacazette and Pierre-Emerick Aubameyang scored a brace each while Aaron Ramsey was also among the scorer. How many of us really think through our pre-work routine in the morning for instance?
He revealed that the manager Unai Emery had taught them how to win the game by being efficient despite playing a good team. "We've started doing it recently this season so it will help us adjust to that in our training session".
"It is good", Lacazette said of his relationship with Gabon global Aubameyang. We will enjoy it, we are working well and we want to continue like this.
"I must be anxious when we play bad and lose, I trust we play well and have more options to win the game".