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The object of this Essay is to explain as clearly as I am able grounds of an opinion which I have held from the very earliest period when I had formed any opinions at all on social political matters, and which, instead of being weakened or modified, has been constantly growing stronger by the progress of reflection and the experience of life. That the principle which regulates the existing social relations between the two sexes — the legal subordination of one sex to the other — is wrong itself, and now one of the chief hindrances to human improvement; and that it ought to be replaced by a principle of perfect equality, admitting no power or privilege on the one side, nor disability on the other. The very words necessary to express the task I have undertaken, show how arduous it is. But it would be a mistake to suppose that the difficulty of the case must lie in the insufficiency or obscurity of the grounds of reason on which my conviction rests. The difficulty is that which exists in all cases in which there is a mass of feeling to be contended against. So long as opinion is strongly rooted in the feelings, it gains rather than loses instability by having a preponderating weight of argument against it. For if it were accepted as a result of argument, the refutation of the argument might shake the solidity of the conviction; but when it rests solely on feeling, the worse it fares in argumentative contest, the more persuaded adherents are that their feeling must have some deeper ground, which the arguments do not reach; and while the feeling remains, it is always throwing up fresh intrenchments of argument to repair any breach made in the old. And there are so many causes tending to make the feelings connected with this subject the most intense and most deeply-rooted of those which gather round and protect old institutions and custom, that we need not wonder to find them as yet less undermined and loosened than any of the rest by the progress the great modern spiritual and social transition; nor suppose that the barbarisms to which men cling longest must be less barbarisms than those which they earlier shake off.

In every respect the burthen is hard on those who attack an almost universal opinion. They must be very fortunate well as unusually capable if they obtain a hearing at all. They have more difficulty in obtaining a trial, than any other litigants have in getting a verdict. If they do extort a hearing, they are subjected to a set of logical requirements totally different from those exacted from other people. In all other cases, burthen of proof is supposed to lie with the affirmative. If a person is charged with a murder, it rests with those who accuse him to give proof of his guilt, not with himself to prove his innocence. If there is a difference of opinion about the reality of an alleged historical event, in which the feelings of men general are not much interested, as the Siege of Troy example, those who maintain that the event took place expected to produce their proofs, before those who take the other side can be required to say anything; and at no time these required to do more than show that the evidence produced by the others is of no value. Again, in practical matters, the burthen of proof is supposed to be with those who are against liberty; who contend for any restriction or prohibition either any limitation of the general freedom of human action or any disqualification or disparity of privilege affecting one person or kind of persons, as compared with others.

The a priori presumption is in favour of freedom and impartiality. It is held that there should be no restraint not required by I general good, and that the law should be no respecter of persons but should treat all alike, save where dissimilarity of treatment is required by positive reasons, either of justice or of policy. But of none of these rules of evidence will the benefit be allowed to those who maintain the opinion I profess. It is useless me to say that those who maintain the doctrine that men has a right to command and women are under an obligation obey, or that men are fit for government and women unfit, on the affirmative side of the question, and that they are bound to show positive evidence for the assertions, or submit to their rejection. It is equally unavailing for me to say that those who deny to women any freedom or privilege rightly allow to men, having the double presumption against them that they are opposing freedom and recommending partiality, must held to the strictest proof of their case, and unless their success be such as to exclude all doubt, the judgment ought to against them. These would be thought good pleas in any common case; but they will not be thought so in this instance. Before I could hope to make any impression, I should be expected not only to answer all that has ever been said by who take the other side of the question, but to imagine that could be said by them — to find them in reasons, as I as answer all I find: and besides refuting all arguments for the affirmative, I shall be called upon for invincible positive arguments to prove a negative. And even if I could do all and leave the opposite party with a host of unanswered arguments against them, and not a single unrefuted one on side, I should be thought to have done little; for a cause supported on the one hand by universal usage, and on the other by so great a preponderance of popular sentiment, is supposed to have a presumption in its favour, superior to any conviction which an appeal to reason has power to produce in intellects but those of a high class.

I do not mention these difficulties to complain of them; first, use it would be useless; they are inseparable from having to contend through people's understandings against the hostility their feelings and practical tendencies: and truly the understandings of the majority of mankind would need to be much better cultivated than has ever yet been the case, before they be asked to place such reliance in their own power of estimating arguments, as to give up practical principles in which have been born and bred and which are the basis of much existing order of the world, at the first argumentative attack which they are not capable of logically resisting.