The Brazilian is enjoying his best ever season for the Reds with 16 goals and a further eight assists in 30 appearances, better than his totals in his two previous full seasons with the club.
Firmino, 26, has blossomed under the tutelage of Jurgen Klopp and the Reds are determined not to be seen as a selling club just as Borussia Dortmund were under Jurgen Klopp.
"I am very happy to be able to live together, to be able to learn from them and be able to win together".
Despite handing in a transfer request, however, Coutinho continued to perform at a level expected of him and his farewell message to Liverpool fans was, by and large, well-received.
Unless you've been living under a rock for the last week, you will surely know that Coutinho has left Liverpool for FC Barcelona in a reported £145m switch to La Liga.
Firmino called Coutinho his "brother" and a "magician" and says it was an "honour" to play alongside his compatriot.
The Guinean worldwide was due to arrive in Liverpool this summer in a transfer deal of between £58 and £68M (dependent on Leipzig's performance this season).
Now that Liverpool's bank balance has been boosted by Coutinho's sale to Barcelona, Klopp certainly has the cash available should he decide he can no longer wait for the Guinean. "I was at a big club previously and being at a big one now, you know you are always going to have to perform under pressure".
According to the Sky Italia journalist, the Egyptian has been identified by the European champions as a potential "Galactico" signing - concerning news for Liverpool supporters.
RB could be playing "transfer" poker with Liverpool and trying to get as much out of the early move as possible.
The France global picked up a hamstring injury in September and, despite recovering, is taking time to rediscover the form that made him the second most-expensive player in history.
Shortly after Guardiola said, "The player who has come through La Masia has something different from the rest, it's a plus that only comes from having competed in a Barcelona shirt from the time you were a child".