Qard al-Hasana in Quran

'Who is it that would loan Allah a goodly loan so He may multiply it for him many times over? And it is Allah who withholds and grants abundance, and to Him you will be returned.' (Sura Baqara: 245)

'Who is it that will lend to Allah a good loan which Allah will multiply ˹many times over˺ for them, and they will have an honourable reward ' (Sura Hadid:11)

'Indeed, those men and women who give in charity and lend to Allah a good loan will have it multiplied for them, and they will have an honourable reward.'(Sura Hadid:18)

'If you loan to Allah, a beautiful loan, He will double it to your (credit), and He will grant you Forgiveness.' (SuraTagabun:16–17) 

“Establish regular prayer and give regular charity and give Allah Qard Hasan”. (Sura Muzzammil: 20)