'Purpose' in the Bible

Now six pots of stone, every one taking two or three firkins of water, were placed there for the purpose of washing, as is the way of the Jews.

At that point the disciples came back, and they were surprised to see him talking to a woman; but not one of them said to him, What is your purpose? or, Why are you talking to her?

And not for that nation only, but for the purpose of uniting in one body the children of God all over the world.

Now is my soul troubled; and what am I to say? Father, keep me from this hour. No: for this purpose have I come to this hour.

Then Pilate said to him, Are you then a king? Jesus made answer, You say that I am a king. For this purpose was I given birth, and for this purpose I came into the world, that I might give witness to what is true. Every lover of what is true gives ear to my voice.