I Know The Truth by Elton John delves into the themes of self-discovery, realization, and the consequences of love and deceit. The song portrays a narrative where one recognizes the truths and lies in a relationship. It underscores the emotional turmoil and the bittersweet understanding that comes with uncovering the reality behind one's feelings and actions. Poignant moments in the song often revolve around the lyrical expressions of betrayal and the acknowledgment of mistakes.