'Ali, wretchedness has four qualities: an inflexible being, hard heart, far-reaching hope, and love of this world.'
'Ali, I forbid you four terrible qualities: envy, avarice, lying and anger.'
(Advise from Prophet Muhammad ﷺ to Imam Ali (RA) recorded by Ibn Arabi)
Quote Source & Recommended Reading:
'Ibn al-Arabi: The Mysteries of Bearing Witness to the Oneness of God and Prophethood of Muhammad'
by Muhyi al-Din Ibn al-Arabi, by Aisha Bewley (Translator)
The master of Islamic spirituality describes the first pillar of Islam, bearing witness to the Oneness of God and that Muhammad is a Messenger of God.