The Sayings And Preaching of Al-Imam Ali (p.b.u.h)
Hadith n. 164
164. Amir al-mu’minin, peace be upon him, said: He who fulfils the right of a man who does not fulfil his right, (is as though he) worships him.
Hadith n. 165
165. Amir al-mu’minin, peace be upon him, said: There should be no obeying anyone against Allah’s commands.
Hadith n. 166
166. Amir al-mu’minin, peace be upon him, said: No person is to be blamed for delay in (securing) his own right but blame lies on him who takes what he is not entitled to.
Hadith n. 167
167. Amir al-mu’minin, peace be upon him, said: Vanity prevents progress. 38
Source: https://www.al-islam.org/nahjul-balagha-part-2-letters-and-sayings