One day Yao-shan Wei-yen (750-834), one of the well-known Chinese Ch'an master, was asked by the host of the monastery to give his sermon to the assembly who for a long while was expecting his teaching. Yao-shan said: "Strike the bell."
One day, Mara, the Buddhist lord of ignorance and evil, was traveling
through the villages of India with his attendants. He saw a man
doing walking meditation whose face was lit up in wonder. The man
had just discovered something on the ground in front of him. Mara’s
attendants asked what it was the man had found and Mara replied,
“He has found a piece of truth.” “Why, Mara, O
evil one, doesn’t this bother you when someone finds a piece
of the truth?” his attendants asked.
“Not at all,” Mara replied. “Because right after
they find it, they usually make a belief out of it.” (Buddhist
story from “Soul Food,” Kornfield and Feldman, p. 227,