The researches covered various topics examining the various aspects of sadness and unhappiness in human life, as well as dealing with the bright side in their lives such as feeling happiness, joy and tolerance, the necessity of optimism, hope, and satisfaction with aspects of life and enjoyment of it or some of it, as well as patience and steadfastness as well as the positive aspects in a person's relationship with his brother man, his family and friends And the external reality around him to create a state of adaptation, suitability, harmony, self-harmony and social support, to make the human being more positive and effective. The importance of tolerance stems from being a moral virtue and a fundamental issue in our current political, social and cultural life, because people today are in greater need for effective tolerance and positive coexistence between people more than ever before due to the rapprochement between cultures and interaction between civilizations that increases day after day thanks to the information and communication revolution.