2-33 Muhammad ibn al-Hassan ibn Ahmad ibn al-Walid - may God be pleased with him - narrated that Muhammad ibn al-Hassan al-Saffar quoted on the authority of Ibrahim ibn Hashim, on the authority of Yahya ibn Abi Imran al-Hamedany, on the authority of Yunus ibn Abdul-Rahman, on the authority of several narrators that Aba Abdullah as-Sadiq (MGB) said, “Most of the worship of Abuzar - may God have Mercy upon him - were two things: thinking and taking heed.”