Joseph Campbell: Doors will open for you
Follow your bliss and the universe will open doors where there were only walls.
Joseph John Campbell (March 26, 1904 - October 30, 1987) was an American mythologist, writer and lecturer, best known for his work in comparative mythology and comparative religion and gave many lectures until short before his death. His work is vast, covering many aspects of the human experience. His philosophy is often summarized by his phrase: "Follow your bliss."