Two Wolves

The story of the Two Wolves is a popular Cherokee legend or parable that is also known as "Which one do you feed", "Grandfather Tells", "The Wolves Within", and "Tale Of Two Wolves". It is a story of a grandfather using a metaphor of two wolves fighting within him to explain his inner conflicts to his grandson. When his grandson asks which wolf wins, the grandfather answers whichever he chooses to feed.

The story is frequently quoted in various forms in media articles, a podcast called The One You Feed, and was summarized in the 2015 film Tomorrowland. From :

The names and phrases from the following are likely referring to this legend:

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Wikipedia