James Clerk Maxwell — "The value of a scientific theory depends on its power of predicting future event…"

"I saw a rat today in the college garden, and I thought how much more pleasant it would be to be a rat than a professor."

"The only use of a knowledge of the past is to equip us for the present."

"The molecules of a gas are like angry bees in a jar, but far more mathematical."

"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…"

"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."