Su Dongpo occupied a government post on the northern shore of the Yangtze River. Across the river at Jinshan Temple lived the Chan master Foyin.
One day, Su Dongpo, feeling proud of his accomplishments in meditative practice, wrote a poem and dispatched it to Foyin for approval:
I bow my head to the heaven within heaven
Whose light illuminates the universe
The eight winds cannot move me
Sitting still upon the golden purple lotus
When Foyin received the poem, he read it, wrote a single word in reply, and sent it back.
Su Dongpo’s attendant returned the note. Su opened it, and found the word FART written on his enlightened poem. Enraged at such an insult, he immediately took his attendant back across the river to see Foyin.
Arriving at Jinshan Temple, Su found a note attached to the door.
The eight winds cannot move me
One fart blows me across the river
Su Dongpo felt very embarrassed and returned to his practice.
That is absolutely brilliant!