'Themselves' in the Bible

But I have the witness that is greater than that of John; for the works which the Father has given me that I should complete them, the works themselves which I do, bear witness concerning me that the Father has sent me.

The Jews therefore contended among themselves, saying, How can he give us this flesh to eat?

Nicodemus says to them (being one of themselves),

But the passover of the Jews was near, and many went up to Jerusalem out of the country before the passover, that they might purify themselves.

They sought therefore Jesus, and said among themselves, standing in the temple, What do ye think? that he will not come to the feast?

Believe me that I am in the Father and the Father in me; but if not, believe me for the works' sake themselves.

But the bondmen and officers, having made a fire of coals (for it was cold), stood and warmed themselves; and Peter was standing with them and warming himself.

They said therefore to one another, Let us not rend it, but let us cast lots for it, whose it shall be; that the scripture might be fulfilled which says, They parted my garments among themselves, and on my vesture they cast lots. The soldiers therefore did these things.