According to Maimonides, Jewish faith consists of 13 principles, as follows: God’s existence; God is one; God has no physical appearance; God is eternal; God is the only one to be worshiped; God’s word was revealed through the biblical prophets; Moses is the chief prophet; God’s law was given at Mount Sinai; the Torah is eternal and irreplaceable; God is aware of human action; God rewards good and punishes evil; God will send a messiah; the dead will come back to life.