My view [is] that what morality boils down to is, ‘Don’t harm, and do help.’ And now the question is, ‘Can creatures like chickens and cows be harmed?’ And the answer is, ‘Of course they...

If you put it as ‘complex nervous systems’ it sounds pretty deflationary. What’s so special about a complex nervous system? But of course, that complex nervous system allows you to do calculus. It allows you...