Full Idea
Why should a certain sadness of spirit arise from a sensation of pain?
Gist of Idea
Why does pain make us sad?
Source
René Descartes (Meditations [1641], §6.76)
Book Reference
Descartes,René: 'Discourse on Method/The Meditations', ed/tr. Sutcliffe,F.E. [Penguin 1968], p.154