'Except' in the Bible

He who is having an ear -- let him hear what the Spirit saith to the assemblies: To him who is overcoming, I will give to him to eat from the hidden manna, and will give to him a white stone, and upon the stone a new name written, that no one knew except him who is receiving it.

and that no one may be able to buy, or to sell, except he who is having the mark, or the name of the beast, or the number of his name.

and they sing, as it were, a new song before the throne, and before the four living creatures, and the elders, and no one was able to learn the song except the hundred forty-four thousands, who have been bought from the earth;

and his eyes are as a flame of fire, and upon his head are many diadems -- having a name written that no one hath known, except himself,