Every act of disobedience ...

Every act of disobedience committed due to passion, its forgiveness is hoped for. Every act of disobedience committed due to arrogance, its forgiveness is not hoped for because the root of Satan’s disobedience was arrogance, whereas the root of Adam’s lapse was passion.
 Sufyan al-Thawri

Quotes from the same author

None in this age will amass wealth except those having five traits ofcharacter. High hopes; abnormal greediness; excessive miserliness, lack of fearing Allaah; and forgetfulness of the coming world.
 Sufyan al-Thawri
Knowledge knocks on the door of action. If it receives a reply, it stays. Otherwise, it departs.
 Sufyan al-Thawri