The question then arises why is the qualification of masculinity required at all?

The distinction between human beings by reason of sex is a physical distinction. The soul is of no sex. If there be a distinction of soul by reason of the physical difference, or accompanying that physical difference, woman is the superior of man in mental and moral qualities. In proof of this see the report of the minority and all the eulogiums of woman pronounced by those who, like the serpent of old, would flatter her vanity that they may continue to wield her power.

Debate On Woman Suffrage In The Senate Of The United States, — Part 6

I repeat it, that the soul is of no sex, and that sex is, so far as the possession and exercise of human rights and powers are concerned, but a physical property, in which the female is just as important as the male, and the possessor thereof under just as great need of power in the organization and management of society and the government of society as man; and if there be a difference, she, by reason of her average physical inferiority, is really protected, and ought to be protected, by a superior mental and moral fitness to give direction to the course of society and the policy of the state. If, then, there be a distinction between the souls of human beings resulting from sex, I claim that, by the report of the minority and the universal testimony of all men, woman is better fitted for the exercise of the suffrage than man.

Debate On Woman Suffrage In The Senate Of The United States, — Part 6

It is claimed by some that the suffrage is an inherent natural right, and by others that it is merely a privilege extended to the individual by society in its discretion. However this may be, practically any extension of the exercise of the suffrage to individuals or classes not now enjoying it must be by concession of those who already possess it, and such extension without revolution will be through the suffrage itself exercised by those who have it under existing forms.

Debate On Woman Suffrage In The Senate Of The United States, — Part 6

The appeal by those who have it not must be made to those who are asked to part with a portion of their own power, and it is not strange that human nature, which is an essential element in the male sex, should hesitate and delay to yield one-half its power to those whose cause, however strong in reason and justice, lacks that physical force which so largely has been the means by which the masses of men themselves hare wrung their own rights from rulers and kings.