"The peculiar function of the scientific man is to make discoveries, not to talk about them."

"Mathematicians my flatter themselves that they possess new ideas which mere human language is as yet unable to express."

"It is an unscientific habit to give names to things before we know what they are."

"I have been battering away at Saturn, returning to the charge every now and then. I have effected several breaches in the solid ring, and now I am splash into the fluid one, amid a clash of symbols tr…"

"The mathematical difficulties of the subject are so enormous that it is only by great patience and perseverance that we can hope to overcome them."