Swami Vivekananda was a disciple of Sri Ramakrishna, a renowned spiritual teacher in India during the late 19th century. He is widely known for his role in reviving the teachings of Vedanta and spreading it to the Western world. His beliefs and teachings have had a profound impact on millions of people around the world.

One of Swami Vivekananda's core beliefs was in the oneness of all religions. He believed that all religions lead to the same ultimate truth and that the differences between them are superficial. He emphasized the idea of universal brotherhood and unity among all beings, regardless of their religious or cultural backgrounds.

Vivekananda's teachings were heavily influenced by the ancient Indian philosophy of Vedanta, which emphasizes the concept of self-realization and the unity of the individual soul with the universal soul. He believed that every human being has the potential to realize their true nature and attain spiritual enlightenment. He also stressed the importance of meditation and self-reflection in this process.

Another important aspect of Vivekananda's teachings was his emphasis on the power of the mind. He believed that the mind is the most powerful tool we possess and that it has the ability to shape our reality. He encouraged people to cultivate a positive mindset and to use their thoughts to manifest their desires and goals.

Vivekananda also placed great importance on the role of service and selfless action. He believed that true spirituality is not just about personal enlightenment, but also about using one's knowledge and abilities to serve others and make a positive impact in the world. He often quoted the ancient Hindu scripture, the Bhagavad Gita, which teaches the importance of performing one's duties without attachment to the results.

One of Vivekananda's most famous teachings is his call for people to "Arise, awake, and stop not till the goal is reached." This quote encapsulates his belief in the power of determination and perseverance in achieving one's goals and fulfilling one's potential.

In summary, Swami Vivekananda's beliefs and teachings revolve around the ideas of universal brotherhood, self-realization, the power of the mind, and selfless service. His teachings continue to inspire people around the world to this day and his legacy as a Vedanta revivalist and spiritual leader lives on.