The Coin

If you get white, search on your list of words in the positive things and the virtues of your character, do the rituals. If you get black you'll use a negative word and you will seek between defects of your character, you will perform the penance and then the ritual.

Humans, we determinate things by their opposites, but in nature there are opposites that are reciprocal and other opponents. As male or female, as extreme cold or hot, but for example the opposite of temperature would be not temperature, and of the male or female gender, determine the average of both, hermaphrodite.