Summary
This quote is a metaphorical expression that signifies the importance of objectivity and impartiality in any decision-making process. It suggests that it would be unjust for someone with a biased or self-interest perspective to have a role in judging or determining the fate of someone else. Specifically, it suggests that a predator, represented by the fox, should not participate in the judgment of its prey, the goose. It serves as a reminder to ensure fair and unbiased judgments by keeping those with potential conflicts of interest away from decision-making positions.