Sitting by Cat Stevens is a deeply introspective song that delves into the themes of self-discovery, spiritual seeking, and the quest for inner peace. Stevens reflects on his life's direction, pondering the meaning of existence and his place in the world. Key themes include the pursuit of enlightenment, the struggle against material distractions, and the yearning for personal and spiritual growth. Particularly poignant moments include the lines where Stevens describes the internal conflict and the desire to find a deeper, more fulfilling path in life.