'Certain' in the Bible

Now after the birth of Jesus, which took place at Bethlehem in Judaea in the reign of King Herod, excitement was produced in Jerusalem by the arrival of certain Magi from the east,

And if God so clothes the wild herbage which to-day flourishes and to-morrow is thrown into the oven, is it not much more certain that He will clothe you, you men of little faith?

Earth and sky will pass away, but it is certain that my words will not pass away.

"Go into the city," He replied, "to a certain man, and tell him, 'The Teacher says, My time is close at hand. It is at your house that I shall keep the Passover with my disciples.'"