There are certain verses in the Quran which convey injunctions similar to the following: 'Kill them wherever you find them. ' (2:191) Referring to such verses, there are some who attempt to give the impression that Islam is a religion of war and violence. This is total untrue. Such verses relate in a restricted sense, to those who have unilaterally attacked the Muslims. The above verse does not convey the general command of Islam. (pp. 42-43)
It is possible to produce something that is grammatical either by chance or under the supervision of another. To be proficient in grammar, then, one must both produce what is grammatical and produce it grammatically, that is, in accord with knowledge of grammar in oneself.