“I believe I have no prejudices whatsoever. All I need to know is that a man is a member of the human race. That's bad enough for me.”

“I am quite sure ... I have no race prejudice, and I think I have no color prejudices, nor caste prejudices. Indeed, I know it. I can stand any society. All I care to know is that a man is a human being—this is enough for me; he can’t be any worse.”

“I have no color prejudices nor caste prejudices nor creed prejudices. All I care to know is that a man is a human being, and that is enough for me; he can't be any worse..”

“I haven't a particle of confidence in a man who has no redeeming petty vices whatsoever.”

“All I care to know about a man is that he is a human being... he can't be any worse.”

“The human race is a race of cowards; and I am not only marching in that procession but carrying a banner.”

“I am not interested to know whether vivisection produces results that are profitable to the human race or doesn't...The pain which it inflicts upon unconsenting animals is the basis of my enmity toward it, and it is to me sufficient justification of the enmity without looking further.”