'Thing' in the Bible

And the angel answered and said unto her, The Holy Spirit shall come upon thee, and the power of the Most High shall overshadow thee: wherefore also the holy thing which is begotten shall be called the Son of God.

And it came to pass, when the angels went away from them into heaven, the shepherds said one to another, Let us now go even unto Bethlehem, and see this thing that is come to pass, which the Lord hath made known unto us.

but one thing is needful: for Mary hath chosen the good part, which shall not be taken away from her.

And when Jesus heard it, he said unto him, One thing thou lackest yet: sell all that thou hast, and distribute unto the poor, and thou shalt have treasure in heaven: and come, follow me.

And they began to question among themselves, which of them it was that should do this thing.