Dennis: Some people lost sight of what the objective is 19 June, 2013 Happier days: Lewis Hamilton celebrates with Ron Dennis after winning the 2008 Monaco GP In the wake of Lewis Hamilton’s recent revelation that he has ‘stuff on his mind’ and admitted that he needed to knuckle down and focus on himself, his mentor and former boss Ron Dennis has apparently had a swipe at the driver who won the 2008 F1 championship for McLaren. Dennis is quoted by La Repubblica, “Some people lost sight of what the objective is. When you’ve lost sight of what you are doing, then you’ve lost sight of what it takes to be a world champion.” Recently Hamilton said of his former team, “I have a very good relationship with Martin [Whitmarsh], and also Ron [Dennis].” Despite what Hamilton says, reports suggest that Dennis and Hamilton had a big fall out in 2012, their sixth and final season together. Lewis Hamilton with mate Roscoe In his first months as a Mercedes driver, Hamilton has been visibly morose and subdued and in Canada tried to explain, “I don’t settle for anything but the best and wins; I still haven’t got a win, Nico has won a race, so I need to get a win.” “What I’m projecting is not disappointment, I’ve just got stuff on my mind,” said Hamilton of his demeanour. “I just have to focus on myself and try and get my shit together,” he told reporters after the Monaco Grand Prix. Meanwhile Jenson Button has come up in support of his former teammate, “Lewis is incredibly fast. But the same is as true for him as it is for the rest of us – if he doesn’t have a balance in the car that suits him, that he got used to over many years, then it’s not easy. “Lewis has not lost his speed. It’s still there,” Button added. ”He will come back and shock everybody.” (GMM & Apex) Subbed by AJN. Content on GrandPrix247.com by: staff & contributors, Reuters syndication, GMM service, Getty Images, Formula 1 teams, sponsors & organisations.