It must be granted that in every syllogism, considered as an argument to prove the conclusion, there is a petitio principii. When we say, All men are mortal Socrates is a man therefore Socrates is mortal; it is unanswerably urged by the adversaries of the syllogistic theory, that the proposition, Socrates is mortal.
John Stuart MillIt is better to be a human being dissatisfied than a pig satisfied; better to be Socrates dissatisfied than a fool satisfied. And if the fool, or the pig, are of a different opinion, it is because they only know their own side of the question.
John Stuart MillThe ne plus ultra of wickedness ... is embodied in what is commonly presented to mankind as the creed of Christianity.
John Stuart MillThe principles which men profess on any controverted subject are usually a very incomplete exponent of the opinions they really hold.
John Stuart Millif any opinion is compelled to silence, that opinion may, for aught we can certainly know, be true. To deny this is to assume our own infallibility.
John Stuart Mill...it is not only the general principles of justice that are infringed, or at least set aside, by the exclusion of women, merely as women, from any share in the representation; that exclusion is also repugnant to the particular principles of the British Constitution. It violates one of the oldest of our constitutional maxims...that taxation and representation should be co-extensive. Do not women pay taxes?
John Stuart Mill