Seems to be a deep instinct in human beings for making everything compulsory that isn't forbidden.
Robert A. HeinleinGirls are simply wonderful. Just to stand on a corner and watch them going past is delightful. They don't walk. At least not what we do when we walk. I don't know how to describe it, but it's much more complex and utterly delightful. They don't move just their feet; everything moves and in different directions . . . and all of it graceful.
Robert A. HeinleinMany short-sighted fools think that going to the Moon was just a stunt. But the astronauts knew the meaning of what they were doing, as is shown by Neil Armstrong's first words in stepping down onto the soil of Luna: "One small step for a man, one giant leap for mankind."
Robert A. HeinleinI remembered a time when my grandmother had asked me to explain television to her - the guts, not the funny pictures. There are things which cannot be taught in ten easy lessons, nor popularized for the masses; they take years of skull sweat. This be treason in an age when ignorance has come into its own and one man's opinion is as good as another's. But there it is. As Star says, the world is what it is - and doesn't forgive ignorance.
Robert A. Heinlein