The word 'living' has so many connotations that I'm almost reluctant to try to define it scientifically because it sounds as if I'm then downgrading all the other significances of that word.

One must dig deeply into opposing points of view in order to know whether your own position remains defensible. Iron sharpens iron.

I've never heard God speak out loud to me. That's not an experience I have had.

I'm aware there are certain products that are being advertised - food products - with 'no chemicals whatsoever.' Well, that would be pretty hard to arrange, since everything around us is made up of atoms and molecules - chemicals - including ourselves.

To get our universe, with all of its potential for complexities or any kind of potential for any kind of life-form, everything has to be precisely defined on this knife edge of improbability. [Y]ou have to see the hands of a creator who set the parameters to be just so because the creator was interested in something a little more complicated than random particles.

So much of what we are currently seeing as far as human suffering and misery comes from diseases that should have been preventable but were not.

Scientists must venture outside their comfort zones to show the public how cool - and how important - their work really is.