"But we have reason to think that the annihilation of work is no less a physical impossibility than its creation, that is, than perpetual motion."
- George Gabriel Stokes
"Thought isn't a form of energy. So how on Earth can it change material processes? That question has still not been answered."
- Vladimir I. Vernadsky
"The existence of matter and energy in the universe did not require the violation of energy conservation at the assumed creation. In fact, the data strongly support the hypothesis that no such miracle ..."
- Victor J. Stenger
"To Nature nothing can be added; from Nature nothing can be taken away; the sum of her energies is constant, and the utmost man can do in the pursuit of physical truth, or in the applications of physic..."
- John Tyndall
"In the vestibule of the Manchester Town Hall are placed two life-sized marble statues facing each other. One of these is that of John Dalton ... the other that of James Prescott Joule. ... Thus the ho..."
- Henry Enfield Roscoe