Probability is the guide of life, and of death, too.

I think ethics is always there; it's not always a very thoughtful or reflective ethics.

My aim is to advocate that we make this mental switch in respect of our attitudes and practices towards a very large group of beings: members of species other than our own - or, as we popularly though misleadingly call them, animals. In other words, I am urging that we extend to other species the basic principle of equality that most of us recognize should be extended to all members of our own species.

I don't understand the notion that modern farming is anything do to with nature. It's a pretty gross interference with nature.

In some parts of the world, what you are doing is already apparent.According to the World Health Organization, the warming of the planet caused an additional 140,000 deaths in 2004, as compared with the number of deaths there would have been had average global temperatures remained as they were during the period 1961 to 1990. This means that climate change is already causing, every week, as many deaths as occured in the terrorist attacks on September 11, 2001.

It is a mistake to assume that the law should always enforce morality.

At present scientists do not look for alternatives simply because they do not care enough about the animals they are using.