袁州仰山慧寂禪師語錄 1.36

1.36

師因韋宙就溈山請一伽陀。溈山云：「覿面相呈猶是鈍漢，豈況形於紙墨？」韋乃就師請。師於紙上畫一圓相，註云：「思而知之，落第二頭；不思而知，落第三首。」

On account of Wei Zhou requesting a gāthā from Guishan, Guishan had said, "To present it face to face is still being dull; how much more so to give it form in paper and ink!" Wei then requested one from the Master. The Master drew a circular figure on the paper and annotated it: "To know it by thinking falls into the second head; to know it without thinking falls into the third category."