“...our ultimate moral principles can become so completely accepted by us, that we treat them, not as universal imperatives but as matters of fact; they have the same obstinate indubitability.”

“The ordinary man so very rarely questions the principles in which he has been brought up, that he is usually willing, whenever he has a feeling that he ought to do 'x', to say on this ground that he ought to do 'x'.”

“...our ultimate moral principles can become so completely accepted by us, that we treat them, not as universal imperatives but as matters of fact; they have the same obstinate indubitability.”