Full Idea
I recognise only three primitive or primary emotions, namely, pleasure, pain and desire.
Gist of Idea
The three primary emotions are pleasure, pain and desire
Source
Baruch de Spinoza (The Ethics [1675], IIIEm Df 4)
Book Reference
Spinoza,Benedict de: 'Ethics, Improvement of Understanding, Letters', ed/tr. Elwes,R [Dover 1955], p.175
A Reaction
Interesting, but hard to justify. Presumably one can analyse fear as desire for no pain, and grief as desire for the return of pleasure, etc. It is a nice exercise in introspective psychology, but I don't feel much wiser for it.