What is the origin of the phrase 'only connect'?

The phrase "only connect" originates from E.M. Forster's 1910 novel "Howards End." It serves as a central theme of the book, highlighting the importance of human relationships and the interconnectedness of life. Forster uses it to advocate for emotional and intellectual connections among people, suggesting that these bonds are essential for a fulfilling existence. The phrase has since become a literary touchstone representing the quest for understanding and connection in human experiences.