"Oh! so there is no air in the moon? And pray, if you are so good, who ventures to affirm that
"The men of science."
"Really?"
"Really."
"Sir," replied Michel, "pleasantry apart, I have a profound respect for men of science who do possess science, but a profound contempt for men of science who do not."
"Do you know any who belong to the latter category?"
"Decidedly. In France there are some who maintain that, mathematically, a bird cannot possibly fly; and others who demonstrate theoretically that fishes were never made to live in water."