Best Life Advice of the Day by Barack Obama: Every major decision comes with uncertainty. Whether you're deciding on a new job, starting a business, ending a relationship, or making a financial commitment, the fear of making the wrong choice can leave you stuck. Former U.S. President Barack Obama offers a refreshing perspective that has helped millions rethink how they approach life's biggest decisions. His advice, now widely known as the 51% Rule, reminds us that waiting for complete certainty is often the biggest mistake of all.