'Alone' in the Bible

But he answered [and] said, "It is written, 'Man will not live on bread alone, but on every word that comes out of the mouth of God."

And [after he] sent away the crowds, he went up on the mountain by himself to pray. So [when] evening came, he was there alone.

And [when they] lifted up their eyes they saw no one except him--Jesus alone.

"Now if your brother sins against you, go correct him between you and him alone. If he listens to you, you have gained your brother.

"But concerning that day and hour no one knows--not even the angels of heaven nor the Son--except the Father alone.

But the others said, "Leave [him] alone! let us see if Elijah is coming to save him."