There will be times where you will doubt yourself, your ideas, and your ambition.

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You will fail if you doubt so much that you paralyze yourself.

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And again, whatever you can do to trick yourself out of all the worry and paralysis that that doubt causes, do it.

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But don't expect the American people to buy into your faux anger when your opponent is questioning how you would have acted when you yourself have provided the words that lead to that legitimate doubt.

CNN: GOP's 'faux anger' is all the rage

You might think yourself too grown-up to be wowed by shiny, glittery things, but we doubt many will be able to watch NVIDIA's new Glow Ball tech demo without a smidgen of childlike glee.

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Nonsense, nonsense. (Brown laughs) Can I turn to another big area, which you mentioned yourself, which is Copenhagen, briefly, because that has been seen - and no doubt you worked very hard - as a failure.

BBC: Take your politics too seriously

You will find yourself referring back to boxes that you have already been through so, for the avoidance of doubt, you may find it helpful to enter zero in the boxes that are not relevant.

BBC: The tax deadline at the end of January