Moreover...

Moreover, their sexual feelings are still undeveloped, but according to this verse, which has obliged them to take permission absolutely, matured youth in any condition must take permission every time they go to their parents. This ordinance is for the place where parents are taking rest, otherwise, entering public room (if there is such a room), especially when others are there and there is nothing to cause problem, needs no permission.

It is also important to mention that the Qur’anic sentence: “...even as those before them used to ask it...” refers to the adults who were obligated to take permission whenever they wanted to enter their parents’ room and, in this verse, those who have just reached puberty are like the adults who were enjoined to ask permission. In order to emphasize and attract the attentions, at the end of the verse, it says: “...Thus…