"There can be no greater error than to expect, or calculate, upon real favors from nation to nation. It is an illusion which experience must cure, which a just pride ought to discard"

This quote by George Washington is a caution against anticipating excessive from other nations. He is saying that it is an error to presume that countries will be generous and kind to each other. He thinks that experience will teach us that this is not the case, which we need to not count on it. He also suggests that a sense of pride need to prevent us from anticipating too much from other countries. Washington is highlighting the importance of being practical and not anticipating excessive from other countries. He believes that this is the only method to prevent frustration and aggravation. He is also suggesting that we ought to not be too proud to accept help from other nations when it is provided. This quote is a reminder that we should not anticipate excessive from other countries, and that we ought to be sensible in our expectations.