Collection Of Hadiths Of Imam Al Reza AS
2. Faith is to one grade superior & sublimer to Islam & piety is one degree superior to faith & certitude & certainty is one step superior to faith & nothing more elegent & excellent than certitude has been bestowed upon the sons of Adam (A.S.) (BIHAR UL ANWAR Vol 78, P 338)
3. Faith has four pillars: Trusting & relying upon Allah, & contentment & pleasure with the divine will, & submittance to the ordain & ordinance of Allah, & delegation & turning over (the affairs) to Allah. i-e (total submission & resignment to Allah). (BIHAR UL ANWAR Vol 78,P 338)
4. And faith means performing & discharging the obligatory duties & avoiding the committing of forbidden acts & faith is the recognition & knowing (Allah) through the heart & admitting & confessing through the tongue & practicing through the parts of body (physically).
(TUHFUL AQOOL, P 422)