'Alone' in the Bible

And now I say unto you, Refrain from these men, and let them alone: for if this counsel or this work be of men, it will come to nought:

They then who had been scattered abroad through the tribulation that took place on the occasion of Stephen, passed through the country to Phoenicia and Cyprus and Antioch, speaking the word to no one but to Jews alone.

Moreover ye see and hear, that not alone at Ephesus, but almost throughout all Asia, this Paul hath persuaded and turned away much people, saying that they be no gods, which are made with hands:

The tribune took him by the hand, stepped aside to be alone with him, and asked, "What have you got to tell me?"

"I am standing before Caesar's tribunal," replied Paul, "where alone I ought to be tried. The Jews have no real ground of complaint against me, as in fact you yourself are beginning to see more clearly.