You have to grow from the inside out. None can teach you, none can make you spiritual. 

Swami Vivekananda (1863 CE-1902 CE), Swami Vivekananda was an Indian Hindu monk, philosopher, author, religious teacher, and the chief disciple of the Indian mystic Ramakrishna. Vivekananda was a major figure in the introduction of Vedanta and Yoga to the Western world, and is credited with raising interfaith awareness and elevating Hinduism to the status of a major world religion