I wouldn't rule out further investments within those categories.

Aviation is notoriously cyclical....it's a question of capital allocation and not having all our eggs in the same basket.

What we've said in the past is that we look at this as an investment. We didn't have any specific plans for making a bid, but there was just a lot of speculation out there.

What we are doing is selling an investment that has been a very good one for us. It's up threefold since we initially started buying stock.

We have to learn again that science without contact with experiments is an enterprise which is likely to go completely astray into imaginary conjecture.

We should remember that there was once a discipline called natural philosophy. Unfortunately, this discipline seems not to exist today. It has been renamed science, but science of today is in danger of losing much of the natural philosophy aspect.