Al-Furqan 25:67

وَٱلَّذِينَ إِذَآ أَنفَقُوا۟ لَمْ يُسْرِفُوا۟ وَلَمْ يَقْتُرُوا۟ وَكَانَ بَيْنَ ذَٰلِكَ قَوَامًا

Wa-alladhīna idhā anfaqū lam yus'rifū walam yaqturū wakāna bayna dhālika qawāman

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