Phenomenology considers the phenomenon in general, whatever comes before the mind in any way, and without caring whether it be fact or fiction, discovers and describes the elements which will invariably be present in it, that is, the categories.
This quote has been taken from Kenneth Laine Ketner's 1983 reconstruction of Peirce's 'Autobiography'
http://www.commens.org/dictionary/entry/quote-brief-intellectual-autobiography-charles-sanders-peirce-8