“It is clear that the use of such a weapon cannot be justified on any ethical ground which gives a human being a certain individuality and dignity even if he happens to be a resident of an enemy country.”

“We can no more justify using nonhumans as human resources than we can justify human slavery. Animal use and slavery have at least one important point in common: both institutions treat sentient beings exclusively as resources of others. That cannot be justified with respect to humans; it cannot be justified with respect to nonhumans—however “humanely” we treat them.”

“When an individual is protesting society's refusal to acknowledge his dignity as a human being, his very act of protest confers dignity on him.”

“As we cannot afford to squander our natural resources of minerals, food, and beauty, so we cannot afford to discard any human resources of brains, skills, and initiative, even though it is women who possess them...a woman is just as much an ordinary human being as a man, with the same individual preferences, and with just as much right to the tastes and preferences of an individual.”

“It is wrong for a man to say that he is certain of the objective truth of any proposition unless he can produce evidence which logically justifies that certainty.”

“I think there are certain crimes which the law cannot touch, and which therefore, to some extent, justify private revenge.”