'Cannot' in the Bible

Now the king and his men went to Jerusalem against the Jebusites, the inhabitants of the land, and they said to David, “You shall not come in here, but the blind and lame will turn you away”; thinking, “David cannot enter here.”

For we will surely die and are like water spilled on the ground which cannot be gathered up again. Yet God does not take away life, but plans ways so that the banished one will not be cast out from him.

“But the worthless, every one of them will be thrust away like thorns,Because they cannot be taken in hand;