Animal factories are one more sign of the extent to which our technological capacities have advanced faster than our ethics.

So why don't we make ourselves the last generation on earth? If we would all agree to have ourselves sterilized then no sacrifices would be required - we could party our way into extinction!

Do business managers have a commitment to anything more than the success of their company and to making money? It would be hard to say that they do. Indeed, many business leaders deny that there is any conflict between self-interest and the interests of all.

If we are prepared to take the life of another being merely in order to satisfy our taste for a particular type of food, then that being is no more than a means to our end.

If we ever do find a better system, I'll be happy to call myself an anti-capitalist.

Surely there will be some nonhuman animals whose lives, by any standards, are more valuable than the lives of some humans.

We should give the same respect to the lives of animals as we do to the lives of humans.