Scepticism is as important for a good journalist as it is for a good scientist.

A good scientist is a person with original ideas. A good engineer is a person who makes a design that works with as few original ideas as possible. There are no prima donnas in engineering.

The idea that global warming is the most important problem facing the world is total nonsense and is doing a lot of harm.

I like people who are working on practical things and who are working in teams. It's not so important to get the glory. It's much more important to get something that works. It's a better way to live.

The technologies that raise the fewest ethical problems are those that work on a human scale, brightening the lives of individual people.

Just because you see pictures of glaciers falling into the ocean doesn't mean anything bad is happening. This is something that happens all the time. It's part of the natural cycle of things. We know from measurements that glaciers have been melting for 200 years at least.