What are the first three words of the Constitution that express the idea of self-government?

The phrase "We the People" at the beginning of the Constitution emphasizes the concept of self-government by highlighting that the authority of the government comes from the citizens. This opening statement establishes the foundation of American democracy, indicating that the Constitution is created by and for the people, which is a central tenet of a democratic society. It reinforces the idea that the government exists to serve the interests and will of the populace, making it a clear expression of collective sovereignty and unity among the citizens of the nation. This notion of democracy and participation is essential to understanding the principles that underpin the U.S. government.