Gayatri mantra is a Vedic prayer. It is a universal prayer that can be used by any person, belonging to any country, irrespective of race, religion, or sex. This book includes the symbolism of Om and the Gayatri, the scriptural references where they are mentioned, as well a detailed instruction on how to perform the Sandhya rituals. Text for the rituals is in Sanskrit with transliteration, and English translation.
Do you think these sannyasi children of Sri Ramakrishna are born to simply to sit under trees lighting dhuni-fires? Whenever any of them will take up some work, people will be astonished to see their energy. Learn from them how to work.
-Swami Vivekananda