Our school education ignores, in a thousand ways, the rules of healthy development.

The excuse or toleration of cruelty upon any living creature by a woman is a deadly sin against the grandest force in nature - maternal love ... In not a single instance known to science has the cure of any human disease resulted necessarily from this fallacious method of research.

I, who so love a hermit life for a good part of the day, find myself living in public, and almost losing my identity.

I must have something to engross my thoughts, some object in life which will fill this vacuum, and prevent this sad wearing away of the heart.

I felt more than ever the necessity of my mission. But I went home out of spirits, I hardly know why. I must work by myself all life long.

[On sex:] ... the total deprivation of it produces irritability.

Prejudice is more violent the blinder it is.