"We should be willing to challenge deeply held beliefs if they are not supported by reason and evidence."

"Killing a disabled infant is not morally equivalent to killing a person. Very often it is not wrong at all."

"Humans are not special because they are human. Species membership alone is morally irrelevant."

"The ethics of what we eat has profound implications for animals, the environment, and human health."

"We have a moral obligation to use our privilege to help those who are less fortunate."