I don't believe an accident of birth makes people sisters or brothers. It makes them siblings, gives them mutuality of parentage. Sisterhood and brotherhood is a condition people have to work at.
In a letter from Bath to her sister, Cassandra, one senses her frustration at her sheltered existence, Tuesday, 12 May 1801. Another stupid party . . . with six people to look on, and talk nonsense to each other.
Women opened the windows of my eyes and the doors of my spirit. Had it not been for the woman-mother, the woman-sister, and the woman-friend, I would have been sleeping among those who seek the tranquility of the world with their snoring.