Imam Hasan (‘a) said: "Teach your knowledge to others and (try to) learn yourself the knowledge of others."
Imam Amir ul Mu'mineen ‘Ali (‘a) said: "Acquiring knowledge is not possible while the body (person) is tranquil."
Imam Zayn-ul-'Abideen (‘a) said: "Were people aware of what lies in the obtainment of knowledge, they would pursue it even though they had to make voyages and endanger their lives to obtain it."
The Holy Prophet (S) said: "At the (appointed) time of every prayer (salat), I hear a caller who calls and says: "O children of Adam! Keep up prayers in order to extinguish the fire you have lit against yourselves (by committing sins)."
The Holy Prophet (S) said: "The worship done by the one who earns his living on unlawful money is similar to a building constructed upon sand."
At the last moments of his life, Imam as-Sadiq (‘a) called his relations and companions and told them: "Verily, our intercession never reaches the one who takes prayers lightly."
Imam Amir ul Mu'mineen ‘Ali (‘a) said: "If a praying person knew to what extent he was surrounded by His Mercy, he would never raise his head from (the state of) prostration.
The Holy Prophet (S) said: "Say each of your prayer as if it were your last prayer."
The Holy Prophet (S) said: An obligatory prayer, with Allah, is equivalent to one thousand Hajj pilgrimages and one thousand Umrah performances (voluntary pilgrimages to Ka'ba) which are right and accepted."
The Holy Prophet (S) said: "The one who takes prayer light is not of me. No, by Allah such a person will not reach the Haud, Pond of abundant."