Do we need reasons to give?

السلام عليكم
بِسْمِ اللهِ الرَّحْمنِ الرَّحِيمِ

Abu Hurairah (peace be upon him) reported: Everyday two angels descend and one of them says, ‘Oh Allah! Compensate (more) to the person who gives (in charity); while the other one says, ‘Oh Allah! Destroy the one who withholds (charity, etc.) [Al Bukhari]