I had to memorize the Preamble in Jr High School. I thought then it was a waste of time and a bit dubious about its veracity. Still feel the same.
And on July 4th, 1776, the Second Continental Congress adopted the Declaration of Independence, declaring: We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain unalienable rights, that among these are Life, Liberty and the Pursuit of Happiness.