Hypatia Bradlaugh Bonner said this quote

It was not Christianity which freed the slave: Christianity accepted slavery; Christian ministers defended it; Christian merchants trafficked in human flesh and blood, and drew their profits from the unspeakable horrors of the middle passage. Christian slaveholders treated their slaves as they did the cattle in their fields: they worked them, scourged them, mated them , parted them, and sold them at will. Abolition came with the decline in religious belief, and largely through the efforts of those who were denounced as heretics.

~ Hypatia Bradlaugh Bonner

It is difficult to exaggerate the adverse influence of the precepts and practices of religion upon the status and happiness of woman. Owing to the fact that upon women devolves the burden of motherhood, with all its accompanying disabilities, they always have been, and always must be, at a natural disadvantage in the struggle of life as compared with men....With certain exceptions, women all the world over have been relegated to a position of inferiority in the community, greater or less according to the religion and the social organisation of the people; the more religious the people the lower the status of the women...

~ Hypatia Bradlaugh Bonner