5-37 Muhammad ibn al-Hassan - may God be pleased with him - narrated that Muhammad ibn al-Hassan al-Saffar quoted Muhammad ibn Isa, on the authority of Uthman ibn Isa, on the authority of Uthman ibn Isa, on the authority of Abdullah ibn Miskan that Aba Abdullah as-Sadiq (MGB) said,

“No less than five characteristics are distributed among the servants of God: certitude, contentment, perseverance, gratitude, and intelligence which perfects them all.”