From Sahih Bukhari (Hadith 7495):
Narrated Abu Huraira:Allah's Messenger (ﷺ) said, "We (Muslims) are the last (to come) but will be the foremost on the Day of Resurrection." The narrators of this Hadith said: Allah said (to man), 'Spend (in charity), for then I will compensate you (generously)
Reference: Bukhari 7495