"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 value of a scientific theory depends on its power of predicting future events."

"But I think that the results which each man arrives at in his attempts to harmonize his science with his Christianity ought not to be regarded as having any significance except to the man himself, and…"

"I am not a great mathematician, but I can do a little."

"If I am not mistaken, there is a good deal of nonsense in the world."