Full Idea
For Husserl, phenomenology must seek the essential aspects of phenomena - necessary, universal structures, such as the essence of art or the essence of representation. He sought a science of these essences.
Gist of Idea
Phenomenology is the science of essences - necessary universal structures for art, representation etc.
Source
report of Edmund Husserl (Logical Investigations [1900]) by Richard Polt - Heidegger: an introduction 2 'Dilthey'
Book Reference
Polt,Richard: 'Heidegger: an introduction' [Routledge 2003], p.14