Al-Imam Ali (p.b.u.h), said:
Hadith n. 32
Amir al-mu’minin, peace be upon him, said: The doer of good is better than the good itself, and the doer of evil is worse than the evil itself.
Hadith n. 33
Amir al-mu’minin, peace be upon him, said: Be generous but not extravagant; be thrifty but not miserly.
Hadith n. 34
Amir al-mu’minin, peace be upon him, said: The best of riches is the abandonment of desires.
Hadith n. 35
Amir al-mu’minin, peace be upon him, said: If someone is quick in saying about people what they dislike, they speak about him that about which they have no knowledge.
Source: https://www.al-islam.org/nahjul-balagha-part-2-letters-and-sayings