Abu Hurairah reported,

The Messenger of Allah ﷺ said, "Allah said, 'Spend, and I will spend on you.'"He also said, "Allah's right hand is full, never diminished by any expenditure, pouring forth night and day."And he said, "Have you considered what He has spent since He created the heavens and the earth? Indeed, what is in His hand has not been diminished. His Throne was upon the water, and in His hand is the scale, lowering and raising."

عن أبي هريرة

أن رسول الله ﷺ قال: قال الله عز وجل: أنفق أنفق عليك. وقال: زيد الله ملأى لا تغيضها نفقة، سحاء الليل والنهار. وقال: أرأيتم ما أنفق منذ خلق السماء والأرض، فإنه لم يغض ما في يده، وكان عرشه على الماء، وبيده الميزان يخفض ويرفع.