“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.”

“I say, without characters, fame lives long.”

“Let fame, that all hunt after in their lives,Live regist'red upon our brazen tombsAnd then grace us in the disgrace of death;When, spite of cormorant devouring Time,Th' endeavor of this present breath may buyThat honor which shall bate his scythe's keen edgeAnd make us heirs of all eternity.”

“He lives in fame that died in virtue's cause.”

“Alas, I am a woman friendless, hopeless!”

“He that commends me to mine own content Commends me to the thing I cannot get. I to the world am like a drop of water That in the ocean seeks another drop, Who, falling there to find his fellow forth, Unseen, inquisitive, confounds himself: So I, to find a mother and a brother, In quest of them, unhappy, lose myself.”

“There is no creature loves me;And if I die, no soul will pity me.”