'Certain' in the Bible

so that you may know for certain the things you were taught.

"A certain creditor had two debtors; one owed him five hundred silver coins, and the other fifty.

As Jesus stepped ashore, a certain man from the town met him who was possessed by demons. For a long time this man had worn no clothes and had not lived in a house, but among the tombs.

Now as they went on their way, Jesus entered a certain village where a woman named Martha welcomed him as a guest.

Now Jesus was praying in a certain place. When he stopped, one of his disciples said to him, "Lord, teach us to pray, just as John taught his disciples."

He then told them a parable: "The land of a certain rich man produced an abundant crop,

He said, "In a certain city there was a judge who neither feared God nor respected people.

Now a certain ruler asked him, "Good teacher, what must I do to inherit eternal life?"

For this is certain: The days are coming when they will say, 'Blessed are the barren, the wombs that never bore children, and the breasts that never nursed!'