'Away' in the Bible

again, a new command I write to you, which thing is true in him and in you, because the darkness doth pass away, and the true light doth now shine;

and the world doth pass away, and the desire of it, and he who is doing the will of God, he doth remain -- to the age.

and ye have known that he was manifested that our sins he may take away, and sin is not in him;