The song "Reach In" by the Jackson 5 is about the search for meaning and understanding in life. It addresses the frustration of not being able to find answers and the determination to keep trying. The lyrics suggest that the answers we seek are within ourselves, symbolized by the tree of wisdom. By reaching within ourselves, we can uncover the reasons for our existence. The song also emphasizes the importance of love in one's life. It suggests that without love, life lacks purpose and meaning. The lyrics warn against taking the easy way out and succumbing to doubt. Instead, the song encourages listeners to believe in a higher power and to put aside any immoral or sinful behavior. Overall, "Reach In" is a call to introspection and self-discovery. It encourages individuals to seek wisdom, find their purpose, and let love shine in their lives. The song portrays a message of hope and the belief that by looking within ourselves, we can find the answers we are searching for.