Our prejudices — we all have them — are part of our personality structure. The problem is that our prejudices may lie lurking at the bottom of the subterranean mind where the slowly ooze up and color our thinking without our knowing it.

Ch. 6 : The Power of Prejudice : Examining the Garment, Bleaching the Stain, p. 74 - How to Argue and Win Every Time (1995)