No one can escape Dharma, the eternal laws. Beliefs grow into actions, and action-learning converts to Sankhya, while deeper research requires meditation, i.e. Bhaktiyog, Karmyog, Gyanyog, and Dhyanyog successively. Fundamentalists never comprehend the fundamentals of religion, ironically, nor do the apostates. Ancient Rishi's quest for survival of humanity in sync with nature forced inquiries into physical and metaphysical realms, discovering spirituality as the basis of Science, Creations and Psychology, which they coded into mythologies and symbols, only to be deciphered in times to come. Basic pillars of Sanatan Dharma, i.e. Purush, Prakriti, Brahm and Yog hide sciences. The element of ubiquitous spirit in us warns naturally. Sanatan Dharma explains ethical hierarchies, egalitarianism and utilitarianism, with intent to establish Summum Bonum. People from different culture and religions think alike due to triguna nature, which applies beyond man-made religious boundaries. Rishis searched for the truth honestly, Later politicization created today's religions. At core, all religions are the same, and hold the key to oneness globally. Does Yoga compare to Trinity in Christianity? How Prophet Mohammad, got enlightenment while meditating in the Hera Caves? Big Bang theory of creations has a mention in scriptures, from the smallest dimensionless source to infinitely expanding universe? Lord Vishnu rests in a serpentine bed in Ksheer Sagar (or milky way); from his naval evolves Lord Brahma, the solar system, Terrestrial gods pray Him. Cosmological hierarchy is depicted as Lord Brahma Vishnu Mahesh? This book logically deciphers symbols and myths, meant to define humanity.