EXPOSITION
Sin brings another death aside separation from God.This is physical death. When an armed robber is caught and beaten to death, he has died out of his sins. Likewise, if someone commits abortion and dies, her sin of abortion has brought her physical death.
Ananias and Sapphira died physically because they lied to God. There is no small sin or big sin. Once Jesus does not like sin, you have to stop sinning. If not, it can lead to your death.
LESSON LEARNT: Stop sinning because it might lead you to death.