Prejudices are actively accomplished and sustained rather than passively held.

Evidence

The question that should preoccupy more social psychologists of racism is not only why the Roma are Europe’s new scapegoats, but also what is the nature of the prejudices against them, how do these prejudices come to life, how are they accomplished, and sustained over time, and what are their social, ideological, moral and material consequences? — Cristian Tileagă, The Nature of Prejudice, 94