Interesting tidbit
Failures / Errors when analyzed always makes oneself better. Such a simple statement has lead to the development of one of the most profound theorems in statistics. Here is a little note on how Central Limit theorem, a theorem which almost everyone intuitively uses, came to existence:
“The Central Limit theorem was originally stated and proved by French Mathematician Pierre Simon, who came to this theorem from his observations that errors of measurement tend to be normally distributed.