雲門匡真禪師廣錄 2.406

2.406

師因出門云：「古人道：『從門入者非寶。』汝道從門出者作麼生？」代云：「一。」

The Master, upon going out the gate, said, "An ancient said, 'What enters through the gate is not the treasure.' What do you say of what exits through the gate?" Answering on their behalf, he said, "One."