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:25:67 –

And ˹they are˺ those who, when they spend, do so not excessively or sparingly but are ever, between that, ˹justly˺ moderate  

And who, when they expend, upon their dependants, are neither prodigal nor parsimonious (read yaqturū or yuqtirū); but between such, prodigality and parsimony, lies — ˹between the two˺ their expenditure ˹is in˺ — moderation;
القرآن:٢٥:٦٧ –

وَالَّذِينَ إِذَا أَنْفَقُوا لَمْ يُسْرِفُوا وَلَمْ يَقْتُرُوا وَكَانَ بَيْنَ ذَٰلِكَ قَوَامًا  

{والذين إذا أنفقوا} على عيالهم {لم يسرفوا ولم يقتروا} بفتح أوله وضمه: أي يضيقوا {وكان} إنفاقهم {بين ذلك} الإسراف والإقتار {قواما} وسطا.