"But the heat developed by the speed of the projectile whilst crossing the beds of air?"

"Oh, its sides are thick, and I shall so soon pass the atmosphere."

"But provisions? water?"

"I have calculated that I could carry enough for one year, and I shall only be four days going."

"But air to breathe on the road?"

"I shall make some by chemical processes."

"But your fall upon the moon, supposing you ever get there?"

"It will be six times less rapid than a fall upon the earth, as attraction is six times less on the surface of the moon."

"But it still will be sufficient to smash you like glass."

"What will prevent me delaying my fall by means of rockets conveniently placed and lighted at the proper time?"