“A theory can be proved by experiment; but no path leads from experiment to the birth of a theory.”

“Given the millions of billions of Earth-like planets, life elsewhere in the Universe without a doubt, does exist. In the vastness of the Universe we are not alone.”

“Rejoice with your family in the beautiful land of life.”

“It followed from the special theory of relativity that mass and energy are both but different manifestations of the same thing...”

“It is always delightful when a great and beautiful idea proves to be consonant with reality.”

“Whenever a true theory appears, it will be its own evidence. Its test is, that it will explain all phenomena.”

“The Good Spirit never cared for the colleges, and though all men and boys were now drilled in Greek, Latin, and Mathematics, it had quite left these shells high on the beach, and was creating and feeding other matters [science] at other ends of the world.”

“Every known fact in natural science was divined by the presentiment of somebody, before it was actually verified.”

“Knowing I lov'd my books, he furnish'd me From mine own library with volumes that I prize above my dukedom.”

“I'll teach you differences.”

“Plutus himself,That knows the tinct and multiplying med'cine,Hath not in nature's mystery more scienceThan I have in this ring.”