How can one acquire knowledge through emotions only?

The anglo-american philosophical tradition has not been very kind to the emotions until relatively recently, when there has been an upsurge of support for the idea (latent, however, in Aristotle) that emotions can have cognitive content - they can tell you stuff about how the world is. The emphasis has rather been on the opposing dynamic of emotion - their ability to disrupt rational processes and so constitute an obstable to knowledge. Certainly, emotions can be an obstacle to knowledge; but it is important not to underestimate their positive cognitive power too. In the early eighties, feminist philosophers started writing about the role of emotions in telling you important things about your social experience: your anger that you are treated a certain way might be telling you something, namely, it's unjust to be treated this way. If you are living in a social-conceptual environment that offers you no tools to making sense of your experience as one of mistreatment, your anger is vulnerable to seeming...