The Quran frequently emphasizes the ephemeral quality of dunya, contrasting it sharply with the permanence of the Hereafter. It describes worldly life as amusement and diversion and [the enjoyment of delusion](3:185, 57:20). This transient existence is likened to a wind containing frost which strikes the harvest of those who wrong themselves, utterly destroying it. Ibn Kathir explains that this simile illustrates how the good deeds of disbelievers in this life are rendered worthless, just as a ripe harvest is ruined by a sudden cold snap. This perspective is a constant reminder that whatever you have will end, but what Allah has is lasting.

People's attachment to this fleeting life is often highlighted as a source of error and heedlessness. The Quran notes that disbelievers are the most greedy of people for life, even more so than polytheists, with each wishing to be granted life for a thousand years, though this would not save them from punishment. Ibn Kathir clarifies that this greed stems from their knowledge of their evil end in the Hereafter, which they try to delay. This contrasts with the guidance for believers, who are advised not to let worldly life delude them nor be deceived about Allah by the Deceiver (31:33, 35:5).

Allah has beautified certain aspects of worldly life, such as 3:14, as a means of enjoyment. However, these are presented as tests rather than ultimate goals. Ibn Kathir’s commentary on this verse explains that these desires are tests. For instance, while love for women for the purpose of procreation and chastity is encouraged, excessive desire for wealth for pride and dominance is forbidden. The Prophet Muhammad (peace be upon him) himself stated, "I did not leave behind me a test more tempting to men than women" (Sahih al-Bukhari). Yet, a righteous wife is considered the best delight of this life, and having children who worship Allah is praised.

The Quran cautions against being deceived by the splendor of worldly life by which We test them. Those who focus solely on this world and its adornments will be fully repaid for their deeds therein, but will have [no share in the Hereafter](11:15, 42:20). This implies a clear distinction between seeking temporary worldly gains and striving for eternal rewards. Similarly, the Quran describes hypocrites whose speech may please in worldly life, but who are fiercest of opponents. Ibn Kathir identifies such individuals as having corrupted belief and immoral actions, whose outward show of piety is deceptive.

Central to the Islamic understanding of dunya is its inextricable link to the Akhirah (Hereafter). Believers are encouraged to seek “good in this world and good in the Hereafter”, a comprehensive supplication frequently made by the Prophet Muhammad (peace be upon him). According to Ma'arif-ul-Quran, "good in this world" encompasses health, lawful livelihood, virtuous deeds, beneficial knowledge, and strong faith, while "good in the Hereafter" refers to Paradise, its blessings, and Allah's pleasure. This balanced approach is praised, refuting the notion that piety requires complete detachment from worldly affairs.

The belief in the Hereafter serves as a profound motivator for righteous conduct in dunya. As Ma'arif-ul-Quran explains, it inspires individuals to "translate faith into practice" and aligns private behavior with public morality. This certainty is crucial because "every soul will taste death, and you will only be given your full compensation on the Day of Resurrection". Ultimate success is defined not by worldly achievements but by being drawn away from the Fire and admitted to Paradise.

Conversely, those who neglect the Hereafter and are satisfied with worldly life are described as heedless of Allah's signs. Such individuals may experience [disgrace in worldly life](2:85, 2:114, 3:56, 7:152) and a severe punishment in the Hereafter. The Quran offers parables, such as that of a rainstorm, to illustrate how worldly life's vibrancy can quickly fade, becoming [scattered debris](10:24, 57:20), reminding those who give thought of its impermanence.

Humanity's existence on Earth is described as a place of settlement and enjoyment for a time. Within this temporary abode, Allah has provided comprehensive guidance. The Quran is presented as a guidance for the God-fearing, a term defined by Ibn Kathir as those who avoid polytheism and work in obedience to Allah. This guidance encompasses belief in the unseen (ghayb), establishing prayer, and spending in the way of Allah. Ma'arif-ul-Quran emphasizes that Iman (faith) is intellectual, rooted in certitude in the Prophet's teachings, while Ghayb includes all that is not perceivable by senses or reason but revealed by the Prophet, such as Allah's attributes, destiny, and the Hereafter.

The Quran further highlights that Allah has created all that is in the earth for humankind, a blessing for which gratitude is due. This does not imply unrestrained indulgence but rather mindful utilization. As Ibn Ata (cited in Ma'arif-ul-Quran) remarks, Allah created the universe for humans to serve them, and humans for Allah to serve Him. Thus, earthly resources should be used in alignment with divine purpose.

The Prophet Muhammad (peace be upon him) and other prophets exemplify the correct balance. Abraham, for instance, was “chosen in this world” and will be among the righteous in the Hereafter, demonstrating that worldly favor, when aligned with God's pleasure, is a blessing. His prayer, Our Lord, make this city (Makkah) a place of security and provide its people with fruits, such of them as believe in Allah and the Last Day, shows a desire for both worldly provision and faith-driven success. However, Allah's response indicates that sustenance is provided to both believers and disbelievers, but ultimate good is for the righteous.

The Islamic legal framework (Shari'ah) reinforces the teachings about worldly life. The injunction to perform Salah, and give Zakah, and bow down along with Ar-Raki`in is emphasized as a means of seeking assistance and adhering to Allah's commands. Ibn Kathir notes that prayer, though burdensome for some, is easy for "the humble," those who are certain of meeting their Lord and returning to Him. This certainty makes acts of obedience easier.

Ethical conduct in dunya is paramount. The Quran prohibits mischief-making on earth, which includes disbelief, disobedience, and severing ties Allah has commanded to be joined. Those who engage in such acts are identified as "losers". Moreover, the prohibition of riba (usury), even in its smallest forms, is a key ethical directive, as it leads to unchecked greed and social injustice.

Muslims are also cautioned against imitating the disbelievers in their ways and adopting their customs, particularly those not legislated in Islam. The Prophet Muhammad (peace be upon him) stated, "Whoever imitates a people is one of them" (Abu Dawud). This extends to avoiding negative speech patterns and showing disrespect, as demonstrated in the prohibition of using the word Ra'ina due to its derogatory double meaning.

The Islamic concept of dunya presents it as a dynamic arena for spiritual growth and moral exertion, deeply intertwined with the prospect of the Akhirah. It is a temporary dwelling, replete with alluring distractions and challenges, yet also abundant in opportunities to earn divine pleasure through righteous deeds and unwavering faith. The Quran and Sunnah, augmented by extensive scholarly commentaries, provide a comprehensive framework for believers to navigate this life with mindfulness, seeking a balanced approach that embraces its legitimate pleasures while prioritizing preparation for the eternal life to come. The emphasis is consistently on recognizing Allah's sovereignty, adhering to His commands, and understanding that true success lies not in worldly accumulation but in the ultimate recompense and approval from the Creator.