Purpose by Justin Bieber is a heartfelt ballad about finding one's sense of direction and meaning in life. Through the lyrics, Bieber expresses gratitude for the people who have helped him discover his purpose, emphasizing themes of redemption, love, and self-discovery. The song captures the emotional journey of overcoming past mistakes and emerging with a renewed sense of hope and clarity. Key moments include lines where Bieber reflects on his past struggles and acknowledges how meaningful connections have empowered him to move forward with a new perspective on life.