“If a thing loves, it is infinite.”

“He whose face gives no light, shall never become a star.”

“Eternity is in love with the productions of time.”

“To see a World in a Grain of Sand And a Heaven in a Wild Flower, Hold Infinity in the palm of your hand And Eternity in an hour.”

“What is now proved was once only imagined.”

“A man can't soar too high, when he flies with his own wings.”

“I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettie...”

“To know the history of science is to recognize the mortality of any claim to universal truth. ”

“The scientist only imposes two things, namely truth and sincerity, imposes them upon himself and upon other scientists.”