“All the known particles in the universe can be divided into two groups: particles of spin ½, which make up the matter… — Stephen Hawking Copy Share Image
Neutrinos alone, among all the known particles, have ethereal properties that are striking and romantic enough both to have inspired a poem… — Lawrence M. Krauss Copy Share Image
I think the discovery of supersymmetric partners for the known particles would revolutionize our understanding of the universe. — Stephen Hawking Copy Share Image