ভূমিকা
In other words, if you think that powerful stubborn foes may throw a spanner in the works and may prevent the fulfilment of Allah's promise, this is impossible, because their power is nothing comparing with Allan's power. Therefore, the verse says: "Think not that the disbelievers can frustrate (Allah's plan) in the earth,..." Not only they will not be in security from the punishment of Allah in this world but also, in the Hereafter, Fire is their abode. The verse continues saying: "...
their abode is the Fire and an evil destination it is!" The Arabic word /mu'jizin/ is the plural form the word /mu'jiz/, meaning to make unable. Since sometime one is after someone and he escapes him and he goes out of pursuer's territory and this matter makes him (the pursuer) unable, this word /mu'jiz/ is sometimes used in the same meaning. The above verse refers to this very meaning and it implies that no one can go out of Allah's territory.
Do let those whom your right hands possess, and those of you who have not reached to puberty, ask permission of you at three times (for coming into your room): before the morning prayer, and at midday when you put off your clothes, and after the night prayer. (These are) three times of privacy for you. It is no sin for you or for them (if) after those (three times), some of you go round attendant upon the others.