365. Amīr al-mu’minīn, peace be upon him, said: Imagination is a clear mirror, and the taking of lessons (from things around) provides warning and counsel. It is enough for improving yourself that you should avoid what you consider bad in others.
Nahj al-Balāgha #1966412. Amīr al-mu’minīn, peace be upon him, said: It is enough for your own discipline that you abstain from what you dislike from others.
Nahj al-Balāgha #19905. Amīr al-mu’minīn, peace be upon him, said: Knowledge is a venerable estate; good manners are new dresses; and thinking is clear mirror.