Washington is a great, upright, pure and noble life model, and an example for future generations to follow. He led the American War of Independence and made great contributions to American national independence. He participated in the formulation of the constitution of 1787, which ensured the unity and integrity of the United States. He resigned voluntarily after being re-elected for two terms, indicating that he did not admire the powerful and devoted himself to the country and was called "the father of the country" by later generations.