en_tn_condensed/mat/06/23.md

if your eye is bad, your whole body is full of darkness

Possible meanings are 1) "if your eye does not see clearly, it fills your body with darkness" or 2) "if your eye is bad, it shows that your body is full of darkness."

your whole body is full of darkness

Possible meanings are "you are full of evil" or 2) "you will understand nothing about what is right."

how great is that darkness!

"then that darkness is extremely dark"