Physicist Quotes and aphorisms about principle Stephen Hawking Werner Heisenberg ,, The uncertainty principle refers to the degree of indeterminateness in the possible present knowled... Werner Heisenberg Richard P. Feynman Brian Greene ,, String theory has the potential to show that all of the wondrous happenings in the universe - from ... Ashoke Sen Johannes Stark Frank Tipler ,, A person whose skin is metallic can no more have its reproduction restricted than a black-skinned p... Richard P. Feynman Brian Greene