America was founded by people who were dedicated to higher principles than mere self-interest, Rubio notes in the two-minute video posted Monday on Truth Social:“Duty, sacrifice, service to a cause beyond oneself. People cannot truly be free, if they abandon their duty to others, Rubio says:“It’s not the mere absence of limits. It’s not liberation from man’s duty to family, nation and God. And that human virtue has to be cultivated by human institutions like the family, the church, just and moral laws, and the habits and practices of self-government.” pic.twitter.com/7nmMGAv2cZ — Secretary Marco Rubio (@SecRubio) August 8, 2026“This is the true American tradition of freedom, passed down to us across the generations, stewarded and defended by men and women,” Rubio concludes: