وَمَثَلُ ٱلَّذِينَ يُنفِقُونَ أَمْوَٲلَهُمُ ٱبْتِغَآءَ مَرْضَاتِ ٱللَّهِ وَتَثْبِيتًا مِّنْ أَنفُسِهِمْ كَمَثَلِ جَنَّةِۭ بِرَبْوَةٍ أَصَابَهَا وَابِلٌ فَـَٔـاتَتْ أُكُلَهَا ضِعْفَيْنِ فَإِن لَّمْ يُصِبْهَا وَابِلٌ فَطَلٌّۗ وَٱللَّهُ بِمَا تَعْمَلُونَ بَصِيرٌ ٢٦٥
And the example of those who donate their wealth, seeking Allah’s pleasure and believing the reward is certain, is that of a garden on a fertile hill: when heavy rain falls, it yields up twice its normal produce. If no heavy rain falls, a drizzle is sufficient. And Allah is All-Seeing of what you do