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

In the history of science it has often happened that the majority was wrong and refused to listen to a minority that later turned out to be right.

In the end it is how you fight, as much as why you fight, that makes your cause good or bad.

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 marketplace judges technologies by their practical effectiveness, by whether they succeed or fail to do the job they are designed to do.

The public has a distorted view of science because children are taught in school that science is a collection of firmly established truths. In fact, science is not a collection of truths. It is a continuing exploration of mysteries.

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.