The fact is that Hollywood, from as early as the sixties to the present time, has ghettoized cinema into the big industry, a marketing industry. In doing this, the audiences have lost touch with the aspects of film which were to be informative and educational and even spiritual.

Climate change: Don't undermine the science just because you don't like the economics

We explore because we are curious, not because we wish to develop grand views of reality or better widgets.

In science, there are no universal truths, just views of the world that have yet to be shown to be false.

Deeper understanding confers that most precious thing - wonder.

As we get older, things seem less important.

Science is about exploring, and the only way to uncover the secrets of the universe is to go and look.