Separating the Chaff from the Grain

Luke 6: 1-5
1 Cor 4: 6b-15 / Ps 145: 17-21
The Sabbath was made for man, and not man for the Sabbath. So the Son of Man is Lord even of the Sabbath.
(Luke 6: 5)
All acts of piety are useless
If in our hearts enmities remain;
Let not our faith be dry and worthless
Like chaff separated from the [...]