'Possible' in the Bible

And the Lord said, See, they are all one people and have all one language; and this is only the start of what they may do: and now it will not be possible to keep them from any purpose of theirs.

And the Lord said, Why was Sarah laughing and saying, Is it possible for me, being old, to give birth to a child?

And he said, The Lord, whom I have ever kept before me, will send his angel with you, who will make it possible for you to get a wife for my son from my relations and my father's house;

Then God remembered [the prayers of] Rachel, and God thought of her and opened her womb [so that she would conceive].

And they said, It is not possible for us to give our sister to one who is without circumcision, for that would be a cause of shame to us: