I 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. HeinleinNever crowd youngsters about their private affairs - sex especially. When they are growing up, they are nerve ends all over, and resent (quite properly) any invasion of their privacy. Oh, sure, they'll make mistakes - but that's their business, not yours. (You made your own mistakes, did you not?)
Robert A. HeinleinHe should have known better because, early in his learnings under his brother Mahmoud, he had discovered that long human words (the longer the better) were easy, unmistakable, and rarely changed their meanings, but short words were slippery, unpredictable changing their meanings without any pattern. Or so he seemed to grok. Short human words were never like a short Martian word - such as grok which forever meant exactly the same thing. Short human words were like trying to lift water with a knife. And this had been a very short word.
Robert A. Heinlein