雲門匡真禪師廣錄 2.134

2.134

師有時云：「作而無作，用而無用。」乃拈起拄杖云：「不是用而無用，喚什麼作拄杖？」

The Master sometimes said, "Acting without action, using without use." He then held up his staff and said, "Were it not using without use, what would you call a staff?"