The preface to Swami Vivekananda’s The East and the West highlights his philosophy on national identity and global unity. He argues that every nation possesses a unique "genius" or purpose essential to the world's preservation. While nations should learn from one another, they must adapt external ideas to fit their own cultural core rather than becoming mere imitations. Specifically, India must remain true to its spiritual heritage while contributing to global civilization.

Ultimately, Vivekananda’s vision transcends these distinctions. He encourages individuals to become "world-citizens" who respect cultural differences but aim for a higher "vision of unity." By integrating the strengths of both East and West, one can overcome superficial borders to attain true freedom and strength.