Felipe Massa hopes to recover quickly from the serious injuries he suffered in a qualifying crash at the Hungarian Grand Prix so he can return to racing.
The Brazilian, 28, flew to Sao Paulo on Monday where he continued his rehabilitation before being cleared to return home after further tests.
"I'm very happy and in a good position to improve myself to eventually go back to the car, to drive," he said.
"We'll see how long this will take - but I hope it will be very quick."
While the Ferrari driver was expressing his determination and desire to get back to racing following the serious accident, he has also stressed that he will not return too soon.
I want to get better and be back in the car driving. That's my life
Felipe Massa
"It is important to be fully recovered before returning to the track," he said in a statement.
The accident occurred after a spring from Rubens Barrichello's Brawn GP car hit Massa's helmet.
Massa was travelling at more than 160mph when the spring hit him, but pressure on the brakes reduced his speed to about 60mph when he hit the tyre wall.
"I want to get better, get in better shape and be back in the car driving. That's my life, so that's the only thing I want to get back in my life at the moment," he added.
Talking about the incident, which happened during the second Saturday qualifying session on 25 July, Massa said: "I don't remember anything.
"I just remember when I spoke to Rob Smedley, my race engineeer. He asked me: 'Do you remember Rubens in qualifying two?' I said: 'No. I don't remember my Q2. I remember being behind Rubens but then I don't remember anything else anymore.
Massa's crash explained (UK users only)
"Maybe I was there, but I was not doing anything. So it was a very strange feeling. But that's my dream now.
"It's difficult to explain what happened. Everyone knows what happened, but for me it's a little bit more difficult to explain."
Massa's personal doctor Dino Altmann said on Monday: "He is to continue his recovery and return to racing as soon as possible, that's the plan. He is in a very good mood, good shape, and he just wants to come back soon."
Seven-time world champion Michael Schumacher has been brought out of F1 retirement by Ferrari to race in Massa's place and will have the first race of his comeback in the European Grand Prix in Valencia on 23 August.
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