The Eternal Religion, the religion of the rishis, has been in existence from time immemorial and will exist eternally. There exists in this Sanatana Dharma all forms of worship—worship of God with form and worship of the impersonal Deity as well. It contains all paths—the path of knowledge, the path of devotion and so on. Other forms of religion, the modern cults, will remain for a few days and then disappear.
Ramakrishna Paramahamsa (1836-1886)