It’s a staple of common sense that we don’t let judges try their own cases. Yet if we are to gain self-knowledge, we all must do just that: We must judge ourselves to know ourselves. While we typically think of justice as a virtue of social arrangements or political institutions, the United States has recently bore witness to this virtue in its first-person aspect — self-regarding justice — while watching the confirmation hearings of a Supreme Court Justice.
The virtue of justice requires not only that we judge others fairly, but also that we judge ourselves fairly. This is no mean feat. The trouble is that if a person is a poor judge of him or herself, it is hard to imagine that person being a good judge of others. Bias toward the self often leads to bias against others. Justice begins within ourselves