You could pull it off in the sense of 'I've seen this one before...', but no way do I believe that he learned >60/day with good recall. That'd be like me saying

You could pull it off in the sense of 'I've seen this one before...', but no way do I believe that he learned >60/day with good recall. That'd be like me saying I learned the fundamentals of spoken Japanese in one afternoon. I think it's a kind of bullshit claim to be honest.