The 7 Habits of Highly Effective People is about becoming more effective at reaching our goals and leading others. Stephen Covey says his teachings are based on timeless principles like personal responsibility, empathetic listening, and treating others with fairness.
Grit says being a top achiever is less about natural talent and more about your "grit," which means working consistently and staying interested in one direction for multiple years. Angela Duckworth shares research on how we can become grittier, and help others do so too.