The document lists 10 pieces of advice the author wishes they knew when they were 22 years old. The advice includes enjoying the process of trying to achieve goals rather than just focusing on outcomes, prioritizing relationships over projects, investing in self-improvement every day, recognizing that everyone is still learning and figuring things out, that having children early can accelerate personal growth in a positive way, that teaching others is an effective way to learn, and being a leader by serving others.