The interviewer said to the two candidates who had just filled in a test paper, "Amazing. Thirty five questions and you both got the first thirty four right. But candidate number one gets the job."
"Why not me?" asked candidate number two.
"Well," said the interviewer, " For all thirty four answers you both answered the same. But question thirty five, candidate number one said, "I do not know the answer." But candidate number two said, "Neither do I."
I once had an answer book disappear from my shelf but I was able to identify the culprit a few days later when the homework of one of our reknowned tea-leafs include the answer '2.6 cm (Accept answers in the range 2.55 to 2.65cm)' and similar others. He still dened it though!