"The moral arc of the universe bends towards justice, but only if we actively bend it."

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

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

"The moral obligation to help others is not limited by national borders."

"Our ethical decisions should be guided by reason and a concern for the well-being of all sentient beings."