Nitpicking

Nitpicking is the act of removing lice eggs from the hair. The term is used metaphorically to describe the practice of meticulously searching for minor, trivial errors.

Quotes

 * If we find fault with others We ourselves are also in the wrong. When other people are in the wrong, we should ignore it, For it is wrong for us to find fault. By getting rid of the habit of fault-finding We cut off a source of defilement.
 * Huineng, Platform Sutra