I thought that my first love would be my wife But in junior high she moved away from here And I thought johnny'd always be my best friend I haven't talked to him in fifteen years Back when I had those fights with my old man I never thought he'd be an old man And I didn't know all those years ago How the years would go flyin' by Thought I knew it all but I was wrong And I didn't know, I didn't know it at the time I never thought good jobs were hard to find Till I let my pride cost me one I never thought my whole life would change Till I heard the doctor say I had a son I never really thought that I was lost Until I heard my dyin' mother Sing 'old rugged cross' And I didn't know all those years ago How the years would go flyin' by Thought I knew it all but I was wrong And I didn't know, I didn't know it at the time Oh, I thought I knew it all, oh but I was wrong And I didn't know, I didn't know it at the time I didn't know, didn't know, didn't know I didn't know, oh, I didn't know, oh