Twitter is very impulsive and impermanent and you only have 140 characters. There is no greater 'Emperor' of Twitter than Stephen Fry.

If you are a friend of somebody and that friend is in trouble, you don't just drop them.

I'm not terribly technological. I'm awfully backward about iPads and BlackBerries and suchlike; I still have a great fondness for Teletext, and I clung onto my fax machine for as long as I could, but eventually you have to move with the times.

I can't establish the veracity of what people say because only they know whether they are telling the truth. I can't look into your mind, can I?

In cyberspace, 95 per cent of what you read is hearsay.

The three most dreaded words in the English language are 'negative cash flow'.

The image we have of a famous person often bears no relation to them.