"Intercede and your intercession may be accepted, and Allah, the Mighty and Sublime, decrees on the lips of His Prophet whatsoever He will."  

عَنِ النَّبِيِّ ﷺ قَالَ اشْفَعُوا تُشَفَّعُوا وَيَقْضِي اللَّهُ ﷻ عَلَى لِسَانِ نَبِيِّهِ مَا شَاءَ  

"A man may come and ask for something, and I refuse until you intercede, so that you will be rewarded." And the Messenger of Allah said: "Intercede and you will be rewarded."  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ إِنَّ الرَّجُلَ لَيَسْأَلُنِي الشَّىْءَ فَأَمْنَعُهُ حَتَّى تَشْفَعُوا فِيهِ فَتُؤْجَرُوا وَإِنَّ رَسُولَ اللَّهِ ﷺ قَالَ اشْفَعُوا تُؤْجَرُوا