Sufis, Muslim ascetics or mystics, strongly emphasize this aspect of Islam, with their goal to become one with God by letting go of all individual will and ego (Joshanloo & Rastegar, 2013) They believe God is the only reality, and nothing else has any authentic existence Sufis claim their soul is absorbed in God, and they lose their sense of individuality Therefore, Islam holds that Muslims should not choose hedonistic pleasures as the primary goal of life; however, positive emotions and pleasures are legitimate in Islam If one adheres to the Islamic lifestyle, then one will experience positive feelings As for the suffering and hardships in life, Muslims believe that illness and recovery are in God’s hands (Rouzati, 2018) God tests the faith of Muslims by giving them suffering Therefore, one should tolerate hardships in life with patience and should always be grateful to God Such patience during the trying times converts the suffering into blessings (Watt, 1979) Human suffering is an instrument in the actualization of God’s plan, intertwined with human experiences necessary for man’s spiritual development (Rouzati, 2018) Muslims believe that faith prevents health issues and helps manage physical and mental illnesses when they occur (Inayat, 2005) Therefore, daily prayer gives spiritual nourishment that harmonizes the mental, emotional, and spiritual aspects of the believer Besides daily prayers, Islam also advocates that God gives a peaceful and contented state of mind to an individual involved in virtuous activities and contributes to society while holding firm to a strong faith in God Thus, the Islamic concept of happiness is such that it guarantees happiness in the worldly lives of Muslims and in life after death The key to 48