I didn't get the abovementioned thing from a book, I concluded it myself. Why is it probable to you that I got it from a book?
To correct something in an above post of mine (I don't think it would change anything anyone has already said afterwards up to now):
I wrote:
I mean:When something is surely bad, it ought to be forbidden, so that it doesn't hurt others who don't know it's bad and at the same time those others ought to be educated about why exactly it is bad, so they do not feel tempted to try it out.
When something is surely bad, it ought to be forbidden, so that it doesn't hurt others and at the same time everyone ought to be educated about why exactly it is bad, so they do not feel tempted to try it out.