We hold these truths to be self-evident, that all men created equal, that they are endowed by their creator with certain unalienable rights, that among these are life, liberty and the pursuit of happiness. that to secure these rights, government are instituted among men, deriving their just powers from the consent of the governed, that whenever any form of government becomes destructive of these ends, it is the right of the people to alter or to abolish it, and to institute new government, laying its foundation on such principles and organizing its powers in such form, as to them shall seem most likely to affect their safety and happiness. the theme of this passage from the declaration of independence is best described as what?