Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
quran:57:23 –

In order that you not despair over what has eluded you and not exult ˹in pride˺ over what He has given you. And Allah does not like everyone self-deluded and boastful -  

so that you may not (kay-lā: kay makes a verb subjunctive, with the same sense as an ˹as in an-lā, ‘so that … not’˺), that is to say, God informs ˹you˺ of this so that you may not, grieve for what escapes you, nor exult, with a wanton exultation, rather an exultation that is ˹followed by˺ a thanksgiving for the grace, at what He has given you (read ˹thus˺ as ātākum; or read as atākum, meaning, ‘˹at˺ what has come to you from Him’). For God does not like any swaggering braggart, ˹swaggering˺ in arrogance because of what he has been given, ˹boastful˺ of it to people;
القرآن:٥٧:٢٣ –

لِكَيْلَا تَأْسَوْا عَلَىٰ مَا فَاتَكُمْ وَلَا تَفْرَحُوا بِمَا آتَاكُمْ ۗ وَاللَّهُ لَا يُحِبُّ كُلَّ مُخْتَالٍ فَخُورٍ  

{لكيلا} كي ناصبة للفعل بمعنى أن، أي أخبر تعالى بذلك لئلا {تأسوا} تحزنوا {على ما فاتكم ولا تفرحوا} فرح بطر بل فرح شكر على النعمة {بما آتاكم} بالمد أعطاكم وبالقصر جاءكم منه {والله لا يحب كل مختال} متكبر بما أوتي {فخور} به على الناس.