In the name of Allah, the Most Gracious, the Most Merciful
Allah Almighty said:
يَا أَيُّهَا الَّذِينَ آمَنُوا اتَّقُوا اللَّهَ وَكُونُوا مَعَ الصَّادِقِينَ
O you who have faith, fear Allah and be with those who are true.
Surat al-Tawbah 9:119
And Allah said:
إِنَّ الْمُسْلِمِينَ وَالْمُسْلِمَاتِ وَالْمُؤْمِنِينَ وَالْمُؤْمِنَاتِ وَالْقَانِتِينَ وَالْقَانِتَاتِ وَالصَّادِقِينَ وَالصَّادِقَاتِ وَالصَّابِرِينَ وَالصَّابِرَاتِ وَالْخَاشِعِينَ وَالْخَاشِعَاتِ وَالْمُتَصَدِّقِينَ وَالْمُتَصَدِّقَاتِ وَالصَّائِمِينَ وَالصَّائِمَاتِ وَالْحَافِظِينَ فُرُوجَهُمْ وَالْحَافِظَاتِ وَالذَّاكِرِينَ اللَّهَ كَثِيرًا وَالذَّاكِرَاتِ أَعَدَّ اللَّهُ لَهُم مَّغْفِرَةً وَأَجْرًا عَظِيمًا
Verily, the Muslim men and Muslim women, the believing men and believing women, the obedient men and obedient women, the truthful men and truthful women, the patient men and patient women, the humble men and humble women, the charitable men and charitable women, the fasting men and fasting women, the men who guard their chastity and the women who do so, the men who remember Allah often and the women who do so, for them Allah has prepared forgiveness and a great reward.
Surat al-Ahzab 33:35
And Allah said:
فَلَوْ صَدَقُوا اللَّهَ لَكَانَ خَيْرًا لَّهُمْ
If they had been true to Allah, it would have been better for them.
Surat Muhammad 47:21
Abdullah ibn Mas’ud, RadhiAllahu Anhu, reported: The Messenger of Allah, SallAllahu Alayhi Wa Sallam, said:
عَلَيْكُمْ بِالصِّدْقِ فَإِنَّ الصِّدْقَ يَهْدِي إِلَى الْبِرِّ وَإِنَّ الْبِرَّ يَهْدِي إِلَى الْجَنَّةِ وَمَا يَزَالُ الرَّجُلُ يَصْدُقُ وَيَتَحَرَّى الصِّدْقَ حَتَّى يُكْتَبَ عِنْدَ اللَّهِ صِدِّيقًا وَإِيَّاكُمْ وَالْكَذِبَ فَإِنَّ الْكَذِبَ يَهْدِي إِلَى الْفُجُورِ وَإِنَّ الْفُجُورَ يَهْدِي إِلَى النَّارِ وَمَا يَزَالُ الرَّجُلُ يَكْذِبُ وَيَتَحَرَّى الْكَذِبَ حَتَّى يُكْتَبَ عِنْدَ اللَّهِ كَذَّابًا
You must be truthful. Verily, truthfulness leads to righteousness and righteousness leads to Paradise. A man continues to be truthful and encourages honesty until he is recorded with Allah as truthful. And beware of falsehood. Verily, falsehood leads to wickedness and wickedness leads to the Hellfire. A man continues tell lies and encourages falsehood until he is recorded with Allah as a liar.
Source: Ṣaḥīḥ Muslim 2607, Grade: Muttafaqun Alayhi
Hasan ibn Ali, RadhiAllahu Anhu, reported: The Messenger of Allah, SallAllahu Alayhi Wa Sallam, said:
دَعْ مَا يَرِيبُكَ إِلَى مَا لَا يَرِيبُكَ فَإِنَّ الصِّدْقَ طُمَأْنِينَةٌ وَإِنَّ الْكَذِبَ رِيبَةٌ
Leave what makes you doubt for what does not make you doubt. Verily, truth brings peace of mind and falsehood sows doubt.
Source: Sunan al-Tirmidhī 2518, Grade: Sahih
Abu Sufyan, RadhiAllahu Anhu, reported:
يَقُولُ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ اعْبُدُوا اللَّهَ وَحْدَهُ وَلَا تُشْرِكُوا بِهِ شَيْئًا وَاتْرُكُوا مَا يَقُولُ آبَاؤُكُمْ وَيَأْمُرُنَا بِالصَّلَاةِ وَالزَّكَاةِ وَالصِّدْقِ وَالْعَفَافِ وَالصِّلَةِ
The Messenger of Allah, SallAllahu Alayhi Wa Sallam, tells us to worship Allah and Allah alone and not to worship anything along with him, and to renounce what our ancestors had said. He orders us to pray, to speak the truth, to be chaste, and to keep good relations with our families
Source: Ṣaḥīḥ al-Bukhārī 7, Grade: Sahih
Sahl ibn Hanif, RadhiAllahu Anhu, reported: The Messenger of Allah, SallAllahu Alayhi Wa Sallam, said:
مَنْ سَأَلَ اللَّهَ الشَّهَادَةَ بِصِدْقٍ بَلَّغَهُ اللَّهُ مَنَازِلَ الشُّهَدَاءِ وَإِنْ مَاتَ عَلَى فِرَاشِهِ
Whoever honestly asks Allah for martyrdom, Allah will give him the status of a martyr even if he dies in his bed.
Source: Ṣaḥīḥ Muslim 1909, Grade: Sahih
Hakim ibn Hizam, RadhiAllahu Anhu, reported: The Messenger of Allah, SallAllahu Alayhi Wa Sallam, said:
الْبَيِّعَانِ بِالْخِيَارِ مَا لَمْ يَتَفَرَّقَا فَإِنْ صَدَقَا وَبَيَّنَا بُورِكَ لَهُمَا فِي بَيْعِهِمَا وَإِنْ كَذَبَا وَكَتَمَا مُحِقَ بَرَكَةُ بَيْعِهِمَا
Both parties in a business transaction have the right to annul it, as long as they have not separated. If they are truthful and clear with one another, there is blessing in their transaction. If they lie and conceal something, the blessing of their transaction will be eliminated.
Source: Ṣaḥīḥ al-Bukhārī 1973, Grade: Muttafaqun Alayhi
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