The truest sayings are paradoxical.
The subtlest of subtleties, this is the gateway to all mysteries.
Use the Light that dwells within you to regain your natural clarity of sight.
The usefulness of the pot lies in its emptiness.
Those who of old were good practicers of Tao did not use it to make people bright, but rather used it to make them simple.
The Wise Man is square but not sharp, honest but not not malign, straight but not severe, bright but not dazzling.