Recognize that judging other people favorably and fairly is, for most of us, so difficult that we need God's help to do it. Before beginning his morning prayers, the eighteenth-century Chasidic Rabbi Elimelech of Lizhensk would beseech God, "May I see the good traits of others and not their defects."

For at least one day each month — perhaps the first day of the month — try to see only good in all those you meet.

Joseph Telushkin in A Code of Jewish Ethics: Volume 1