Evaluating performances, particularly that of researchers, has been considered as one of the most important problems in the fields of education and research. In many cases, even one score in evaluating a work would lead to getting or missing a prize unjustly. There can be found some Quranic teachings in the field to solve the problem. Paying attention to personal rights of those being criticized, moderation and justice, human nobleness, mind purification, honesty and righteousness, ethical and sceintifical growth.