Isaiah 6:5

6:5 I said, “Too bad for me! I am destroyed, for my lips are contaminated by sin, and I live among people whose lips are contaminated by sin. My eyes have seen the king, the Lord who commands armies.”

Isaiah 35:8

35:8 A thoroughfare will be there –

it will be called the Way of Holiness.

The unclean will not travel on it;

it is reserved for those authorized to use it –

fools will not stray into it.

Isaiah 52:11

52:11 Leave! Leave! Get out of there!

Don’t touch anything unclean!

Get out of it!

Stay pure, you who carry the Lord’s holy items!

Isaiah 64:6

64:6 We are all like one who is unclean,

all our so-called righteous acts are like a menstrual rag in your sight.

We all wither like a leaf;

our sins carry us away like the wind.

Isaiah 52:1

52:1 Wake up! Wake up!

Clothe yourself with strength, O Zion!

Put on your beautiful clothes,

O Jerusalem, holy city!

For uncircumcised and unclean pagans

will no longer invade you.