His subject is the "Origin of Species," & not the origin of Organization; & it seems a needless mischief to have opened the latter speculation at all.

Marriage ... is still the imperfect institution it must remain while women continue to be ill-educated, passive, and subservient.

Men who pass most comfortably through this world are those who possess good digestions and hard hearts.

The instruction furnished is not good enough for the youth of such a country ... There is not even any systematic instruction given on political morals: an enormous deficiency in a republic.

The progression of emancipation of any class usually, if not always, takes place through the efforts of individuals of that class.

All women should inform themselves of the condition of their sex and of their own position. It must necessarily follow that the noblest of them will, sooner or later, put forth a moral power which shall prostrate cant, and burst asunder the bonds (silken to some but cold iron to others) of feudal prejudice and usages. In the meantime is it to be understood that the principles of the Declaration of Independence bear no relation to half of the human race? If so, what is the ground of this limitation?

It is my deliberate opinion that the one essential requisite of human welfare in all ways is scientific knowledge of human nature.