What is the idea of self government is in the first three words of the constitution what are these words?

The first three words of the United States Constitution are "We the People." These words signify the idea of self-government, as they emphasize that the power and authority of the government ultimately derive from the consent of the governed. The Constitution establishes a system of government in which the people hold the ultimate power and are responsible for electing representatives to govern on their behalf. The concept of "We the People" reflects the principle of democracy and self-determination, highlighting the fundamental notion that governments exist to serve the people and protect their rights and interests.