The curse of being an officer is that one is outranked by other officers. - Wasp

The reaction showed that the audience had never encountered this argument before or concocted anything like it of their own accord. None were stupid enough to accept it as serious assertion of fact. All were sufficiently intelligent to recognize it as logical or pseudo-logical denial of something self-evident and demonstrably true.

Science fiction, like any other genuine literary form, must evolve. It was easier in the old days — easier to find ideas, easier to stop in the middle of everything for a dissertation on Jupiter's moons. The modern way, starting a story in the middle of a future- or other-world environment and taking it from there is a challenge to the writer. It isn't always easy, but it is fun.

After this, doors had to be opened with all the caution of a tax collector coping with a mysterious parcel that ticks.