Chapter

 1 Pre |       much prudence. No one is obliged to discover either a planet,
 2 III | quantity of gas, for they were obliged to keep the producing substance
 3 IV  |     Barbicane seriously.~“Much obliged; it is all very clear, no
 4 VI  |       in large drops, why am I obliged to stop? Simply because
 5 VIII|    intoxication; but they were obliged to sleep themselves sober
 6 IX  |        upon her; but they were obliged to give it up; even by the
 7 XIV |        which was small, he was obliged to ask from it a fictitious
 8 XIV |   light from the gas, was also obliged to beg for heat. The projectile’
 9 XV  |        surrounding temperature obliged them to consume a certain
10 XVII| Barbicane and his friends were obliged to blacken their glasses
11 XXII|      the worthy secretary, was obliged to give the order to sail.~