The preamble to the Philippine Constitution establishes that the Filipino people are sovereign over the Philippine Islands. It aims to build a just and humane society with a government that promotes common good, conserves national patrimony, and secures independence, democracy, rule of law, and peace for current and future generations. The document also discusses understanding Filipino values like family solidarity, politeness, hospitality, and gratitude, which are shaped by factors such as family, social environment, culture, history, education, religion, economics, politics, media, and leadership.