الفرقان — Al-Furqan Ayat 67

وَالَّذِيْنَ اِذَآ اَنْفَقُوْا لَمْ يُسْرِفُوْا وَلَمْ يَقْتُرُوْا وَكَانَ بَيْنَ ذٰلِكَ قَوَامًا

Wal-lażīna iżā anfaqū lam yusrifū wa lam yaqturū wa kāna baina żālika qawāmā(n).

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