Various philosophers have different views on the importance of impartiality as a foundational value for civil servants. Here are some examples:

1. John Rawls: Rawls argued that impartiality is crucial for a just society. He believed that public officials should be guided by the principles of justice and fairness and that they should remain impartial and neutral when making decisions.
2. Immanuel Kant: Kant argued that impartiality is a key ethical principle that should guide our actions. He believed that we should treat all individuals as ends in themselves, rather than merely as means to an end. For Kant, this meant that civil servants should act in the best interest of all citizens and not use their position to benefit themselves or any specific group.
3. Aristotle: Aristotle believed that impartiality is important, but that it must be balanced with other virtues such as courage, compassion, and wisdom. He argued that civil servants should use their reason and judgment to determine what is fair and just in a particular situation.
4. Jeremy Bentham: Bentham believed that impartiality is important because it promotes the greatest happiness for the greatest number of people. He argued that public officials should act in the interest of the public and that their decisions should be based on reason and evidence rather than personal biases or interests.