A premodern tradition combining laboratory techniques and theories of matter to transform substances—seeking transmutation, elixirs, and the philosopher’s stone—and shaping early chymistry, medicine, and scientific methods.
A New Earth is Eckhart Tolle’s 2005 spiritual book arguing that ego and the “pain‑body” fuel suffering and that presence clarifies purpose. It outlines practices for awareness and a vision of collective change, with notable reception, influence, and criticism.