'Castles Made of Sand' was a song that my parents put me to sleep to, so naturally, it still puts me in a zen state.

It is so easy for us theorists who build wonderful castles, beautiful ideas. Sometimes, it is remarkable, sometimes these beautiful ideas prove to be close to what the observations tell us. But often and also they turn out to be wrong.

The myth is that IP rights are as important as our rights in castles, cars, and corn oil. IP is supposedly intended to encourage inventors and the investment needed to bring their products to the clinic and marketplace.

I've had lots of ideas. For example, I had the idea of making a small version of the Vatican's dome. I also got ideas from medieval castles - I've mixed medieval castles with the Romanesque style.

I've always been a history lover. I've spent a lot of recreational time walking around historical castles and estates, in Britain and Europe, and so I know what the real thing looks like.

I realize that I've had Ian Van Dahl: 'Castles in the Sky,' the Ibiza jam, periodically stuck in my head for years, like years of my life. Every now and then 'Castles in the Sky' will just happen. Maybe that's some sort of indication that it's actually my favorite song of all time.

Have you ever walked along a shoreline, only to have your footprints washed away? That's what Alzheimer's is like. The waves erase the marks we leave behind, all the sand castles. Some days are better than others.