A good idea turns every cog in your mind, making you scared of bed in case the whole machine grinds to a halt.

I'd work eighteen-hour stretches and fall asleep in my clothes. Then I'd wake up in the middle of the night, brew a pot of tea, and start work again. I was tired, but work had become pure enjoyment.

A good idea turns every cog in your mind, making you scared of bed in case the whole machine grinds to a halt.

Visionaries and dreamers have always been dusted with a little oddity.

But there is only one person I blame for getting shafted, and that's myself. I went into the deal which I thought would secure the future of Orange Aids with culpable impetuosity. I had been used to doing business on a handshake and my work of honour, and I made the error of actually believing what the men in the pin-striped suits told me.

The key to success is to risk thinking unconventional thoughts. Convention is the enemy of progress.

But having had your bright, fresh, original idea, the really hard part is turning it into a successful product. That's what takes all the sweat.