By teaching “Do not judge” (Matthew 7:1), the great teachers are saying that you cannot start seeing or understanding anything if you start with “no.” You have to start with a “yes” of basic acceptance, which means not too quickly labeling, analyzing, or categorizing things as in or out, good or bad, up or down. You have to leave the field open, a field in which God and grace can move. Ego leads with “no” whereas soul leads with “yes.”
The ego seems to strengthen itself by constriction, by being against things; and it feels loss or fear when it opens up. “No” always comes easier than “yes,” and a deep, conscious “yes” is the work of freedom and grace. So the soul lives by expansion instead of constriction.