《笑林广记·形体部》
有个税官，是瞎子，怕别人骗他，凡是货船过关，必定要逐一用手摸一遍才放心。
一税官瞽目者，恐人骗他，凡货船过关，必要逐一摸验，方得放心。
There was a tax official who was blind and afraid of being cheated by others. Whenever a cargo ship passed through the customs, he had to touch it with his hand one by one before he could rest assured.