"It is a just political maxim, that every man must be supposed a knave"

This quote by David Hume is a commentary on the nature of politics and the people who are associated with it. Hume is suggesting that in politics, it is required to assume that everybody is acting in their own self-interest. This means that it is important to be knowledgeable about the motivations of those around you and to be wary of their intents. It is inadequate to merely rely on individuals in politics, as they may be acting out of their own self-interest. This quote is a tip that in politics, it is essential to be aware of the motivations of those around you and to be cautious of their objectives. It is likewise a tip that it is very important to be aware of the potential for people to act out of their own self-interest, and to be prepared to protect your own interests in the process.