"The Messenger of Allah ﷺ said: 'Whoever spends in the cause of Allah, it will be recorded for him seven hundred fold.'" (Using translation from Nasāʾī 3186)
قَالَ رَسُولُ اللهِ ﷺ مَنْ أَنْفَقَ نَفَقَةً فِي سَبِيلِ اللهِ تُضَاعَفُ بِسَبْعِ مِائَةِ ضِعْفٍ