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For an explanation of this rendering of alladhlna hajaru, see surah {2}, note [203], and surah {4} note [124]. That the "forsaking of the domain of evil" has here a purely spiritual connotation is obvious from its juxtaposition with the "denial of the truth" referred to in the preceding verses.
See note [28] above.
The verb 'alima, which primarily denotes "he knew", has also the meaning of "he came to know", i.e., "he understood"; and since - as pointed out by Baghawi, Zamakhshari and Razi - the pronoun "they" in the phrase law kanu ya'lamun relates to the deniers of the truth spoken of in the preceding passages, the rendering "if they could but understand" is here clearly indicated - the more so as it provides a self-evident connection with the subsequent, objective clause.
There is no merit in suffering exile (hijrat) in itself. To have any merit, it must be; (1) in the cause of Allah, and (2) after such an oppression as forces the sufferer to choose between Allah and man. When these conditions are fulfilled, the exiles are entitled to the highest honour, as having made a great sacrifice in the cause of Allah. Such were the early Muslim exiles to Abyssinia; such were the later exiles to Madinah before the Prophet himself left his home in Makkah and went to Madinah; and such were the exiles who went with the Prophet or followed him. At all these stages, his approval or advice was always obtained, either specifically or generally.