6. Al-Anam

Al-Anam ('The Cattle'), 165 Meccan verses said to have been revealed in a single night, is a sustained argument for pure monotheism against the idolatry and superstitions of the Meccans, including their taboos about certain livestock. Its centerpiece is Abraham reasoning from the setting star, moon and sun to the one Creator who does not set (6:75-79).

The tradition that Al-Anam was revealed in a single night, transmitted through several chains and noted by al-Tabari, distinguishes it from most long surahs, which were typically revealed in stages across months or years responding to events as they arose; commentators read this unity of revelation as matching the surah's own tightly argued, unbroken case for monotheism. Abraham's reasoning from the star, moon and sun (6:75-79) is treated in classical exegesis as a model of argument from observation rather than only from prior scripture, since Abraham reaches monotheism through reflection on creation before any revealed law is given to him, a passage later cited in Islamic theology's arguments for natural knowledge of God. The surah's closing verses list a set of moral commands, kindness to parents, honouring agreements, avoiding indecency, that al-Razi's commentary calls a summary of the whole ethical law, comparable in miniature to the fuller legislation of the Medinan surahs.

Al-Anam closes with a compact list of moral commands, honouring parents, not killing children from want, avoiding indecency, giving just measure, speaking justly even against kin, and fulfilling God's covenant (6:151-153), that some later commentators and popular teaching compare, informally rather than as an official doctrinal category, to the biblical Decalogue, a comparison offered to highlight the passage's unusually concentrated ethical weight rather than any claimed textual relationship between the two lists. Classical exegesis more often reads the list as a summary statement of what the surah calls 'My straight path' (6:153), tying the surah's long argument against idolatry back to concrete conduct.

Al-Anam's sustained argument against associating partners with God became, in later Islamic theology, a central proof text for the doctrine of tawhid, God's absolute oneness, and its specific vocabulary distinguishing outright idolatry from subtler forms of misplaced reliance shaped later theological writing on categories of shirk, association of partners with God, ranging from worshipping idols to excessive attachment to wealth or status. Some modern comparative writers count exactly ten discrete commands across these three verses, encouraging the informal 'ten commandments' label even though the Quran itself does not use that framing or numbering.