虛堂和尚語錄 5.25

5.25

老子曰：「視之不見名曰夷，聽之不聞名曰希，摶之不得名曰微，此三者不可致詰。」

Laozi said: "Looked at but not seen, it is named the invisible; listened to but not heard, it is named the inaudible; grasped at but not caught, it is named the intangible. These three cannot be further scrutinized."