Al-Imam Ali (p.b.u.h), said:

Hadith n. 26

26. Amir al-mu’minin, peace be upon him, said: Whenever a person conceals a thing in his heart it manifests itself through unintentional words from his tongue and (in) the expressions of his face. 14

Hadith n. 27

27. Amir al-mu’minin, peace be upon him, said: Keep walking in your sickness as long as you can. 15

Hadith n. 28

28. Amir al-mu’minin, peace be upon him, said: The best abstemiousness is to conceal it.

Hadith n. 29

29. Amir al-mu’minin, peace be upon him, said: When you are running away from the world and death is approaching, there is no question of delay in the encounter.

Hadith n. 30

30. Amir al-mu’minin, peace be upon him, said: Fear! Fear! By Allah, He has hidden your sins so much so as though He has forgiven.

Source: https://www.al-islam.org/nahjul-balagha-part-2-letters-and-sayings