Simplistically, it tells us that if you do a mitzvah you will be rewarded, and if you sin you will be punished.
Waad asiibtay markaad sheegtay inaan caamo ahay, haddaad Ijtihaad gaartay labo ajar ayaad heli lahayd laakiin waxaa ishkaal ku jiraa sida culumada iyo caamada iskaga kaa dhexgaleen.