Wisdom from Prophets

The five stated prayers erase the sins which have been committed during the intervals between them if they have not been mortal sins -Prophet Muhammad (PBUH)

Wisdom from Quran

And He has subjected to you, as from Him, all that is in the heavens and on earth: Behold, in that are Signs indeed for those who reflect. (45:13)

Wisdom from Imams

Generosity is to help a deserving person without his request, and if you help him after his request, then it is either out of self-respect or to avoid rebuke. -Imam Ali (a.s.)