The Sayings And Preaching of Al-Imam Ali (p.b.u.h)
Hadith n. 285
285. Amir al-mu’minin, peace be upon him, said: He whom death overtakes early seeks time while he whose death is deferred puts forth excuses for postponement (of doing good actions).
Hadith n. 286
286. Amir al-mu’minin, peace be upon him, said: For every thing to which people say “how good!” there is an evil hidden in this world.
Hadith n. 287
287. Amir al-mu’minin, peace be upon him, was asked about Destiny, when he said: It is a dark path — do not tread upon it, it is a deep ocean – do not dive in it, and it is the secret of Allah — do not take trouble about (knowing) it.
Hadith n. 288
288. Amir al-mu’minin, peace be upon him, said: When Allah intends to humiliate a person He denies him knowledge.
Source: https://www.al-islam.org/nahjul-balagha-part-2-letters-and-sayings