1 Peter 3:19-21

And in the spirit he went and preached to the spirits in prison who refused to obey God long ago in the time of Noah. God was waiting patiently for them while Noah was building the boat. Only a few people—eight in all—were saved by water. And that water is like baptism that now saves you—not the washing of dirt from the body, but the promise made to God from a good conscience. And this is because Jesus Christ was raised from the dead.