"I think I knuckle down and focus a lot better when conditions are tough, " Webb said.

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You've got to know when to have fun, but also knuckle down and do the hard work.

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We've got to knuckle down, work hard and keep working at the shape.

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Northern Ireland Secretary Peter Mandelson has appealed to the parties to "knuckle down and get cracking on implementing all aspects of the agreement".

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And Russell told any cricketers who are feeling the wearying effects of their commitment to T20 cricket to knuckle down to the busy schedule.

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"Steven's under contract so what he needs to do is come back here, knuckle down and go and enjoy himself and score goals, " he said.

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When he is over the euphoria of this innings he will have to knuckle down a bit, and he can do that without losing his natural flair.

BBC: Jonathan Agnew column

"I've not given up on them because I see they have ability but they really have got to knuckle down for the rest of the season and when they come back for pre-season, " added Roeder.

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The prospect of unsettled weather on the first two days at least suggests that Amir and the wily Mohammad Asif will still be a handful with the famous Lord's slope assisting them to move the ball off the seam as well, making it vitally important that England's batsmen knuckle down and be prepared to graft.

BBC: Jonathan Agnew column