Randy Pausch book The Last Lecture
When Pausch spoke of "You obviously don't know where the bar should be, and you're only going to do a disservice by putting it anywhere." he was quoting the advice of Andries van Dam on challenging his students after they already completed excellent performances on their first two week assignment.
The Last Lecture (2007)
Context: What he said was: "You obviously don't know where the bar should be, and you're only going to do a disservice by putting it anywhere." And boy was that good advice. Because what he said was, you obviously don’t know where the bar should be, and you’re only going to do them a disservice by putting it anywhere.
