In the real world, 90% of the money spent on medical research is focused on conditions that are responsible for just 10% of the deaths and disability caused by diseases globally.

In an ideal world, the amount of money we spend on medical research to prevent or cure a disease would be proportional to its seriousness and the number of people who suffer from it.

Of all the arguments against voluntary euthanasia, the most influential is the 'slippery slope': once we allow doctors to kill patients, we will not be able to limit the killing to those who want to die.

It was wrong to capture wild animals and confine them in captivity for people to go and gawk at them. And that's basically how zoos got started. But once you do that, and once you have animals that have been bred in captivity, you're really stuck with them in some sense. You can't return them to the wild.

The notion that human life is sacred just because it is human life is medieval.

What is faith? If you believe something because you have evidence for it, or rational argument, that is not faith. So faith seems to be believing something despite the absence of evidence or rational argument for it.