'Pit' in the Bible

But he said to them, "What man will there be among you who will have one sheep and if this one fell into a pit on the Sabbath, will not take hold of it and lift [it] out?

Let them! They are blind guides of the blind. And if the blind guide the blind, both will fall into a pit."

And he also told them a parable: "Surely a blind person cannot lead the blind, [can he]? Will they not both fall into a pit?