Here we are living in a world of "identity crises," and most of us have no idea what an identity is.
Half the problem is that an identity is something which must be understood intuitively, rather than in terms of provable fact. An infinite question is often destroyed by finite answers. To define everything is to annihilate much that gives us laughter and joy.
Section 1.10 - The Crosswicks Journal - A Circle of Quiet (1972)