What is the founding statement of Constitution?

The founding statement of the Constitution of the United States is expressed in its Preamble, which begins with the phrase "We the People." It outlines the core purposes of the document, including to form a more perfect union, establish justice, ensure domestic tranquility, provide for the common defense, promote the general welfare, and secure the blessings of liberty to ourselves and our posterity. This statement emphasizes the principles of democracy and the importance of unity among the states.