A more thorough explanation:

QUI JUSTUS ESSE DEBET

Qui justus esse debet is a Latin phrase that means "who is bound to be just."

1. A judge who is responsible for delivering fair and impartial verdicts in court is someone who justus esse debet.

2. A police officer who upholds the law and treats everyone equally is someone who justus esse debet.

The examples illustrate the definition of qui justus esse debet by showing individuals who have a duty to be just in their actions and decisions. In both examples, the judge and police officer are expected to act with fairness and impartiality, which is a fundamental aspect of justice. The phrase reminds us that certain professions and roles come with a responsibility to uphold justice and fairness.