The purpose of this study was to predict the direction of subjective well-being through life and optimism. For this purpose, 300 (2140 males and 160 females) students selected using multi-stage cluster sampling Shdnd.nan mental well-being questionnaires Rumi et al. (1388), the meaning of life Mahvlyk (1964), for the life of the Shiyer et al (1994) have responded. The results showed that the ori...