He has "a chance to be a decent human being, for [he is] standing eye to eye with death," espousing logical analysis in Tractatus Logico-Philosophicus, then turning to Tolstoy's Gospel and mysticism.

"Suppose now that you suddenly turn them round and make them look with pain and grief to themselves at the real images, will they believe them to be real?"
  - The Republic.

Recognizing the systematic degradation of women by the "trivial attentions which men think it manly to pay to the sex," she sought equality in A Vindication of the Rights of Woman.

"Moreover it is evident that no idea which is not itself perceived can be the means of perceiving any other idea."
  - An Essay Towards a New Theory of Vision.