Nature is just enough; but men and women must comprehend and accept her suggestions.
Antoinette Brown BlackwellThe sexes in each species of being... are always true equivalents - equals but not identical.
Antoinette Brown BlackwellMr. Darwin ... has failed to hold definitely before his mind the principle that the difference of sex, whatever it may consist in, must itself be subject to natural selection and to evolution.
Antoinette Brown Blackwell