Concentration is the foundation of all kinds of knowledge, without it nothing is possible to do. How to concentrate on mind for knowledge, it has been directed in this booklet. The concentrated mind is similar to a search light. The searchlight enables us to see objects far and away in the dark corners

Swami Vivekananda (born: January 12, 1863 - death: 4 July, 1902)

Vedanta's famous and influential spiritual master was His real name was Narendranath Dutt. He represented Sanatan Dharma on behalf of India in World Congress General Assembly held in Chicago, United States in 1893. The Vedanta philosophy of India's spirituality is accessible only by the speech of Swami Vivekananda in every country of America and Europe. He founded the Ramakrishna Mission, which is still doing its work today. He was a capable disciple of Ramakrishna Paramahamsa. He is known primarily for his speech with the introduction of "my American brothers and sisters". This first sentence of his address won everyone's hearts.