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

Hadith n. 92
Amir al-mu’minin, peace be upon him, said: The lowest form of knowledge is that which remains on the tongue and the most superior form is that which manifests itself through (the action of) the limbs and the organs of the body.

Hadith n. 93
Amir al-mu’minin, peace be upon him, said: None of you should say, “O Allah, I seek Your protection from trouble” because there is no one who is not involved in trouble, but whoever seeks Allah’s protection he should seek it from misguiding troubles, because Allah, the Glorified, says: And know you that your wealth and your children are a temptation!. (Qur’an, 8:28) and its meaning is that He tries people with wealth and progeny in order to distinguish one who is displeased with his livelihood from the one who is happy with what he has been given. Even though Allah, the Glorified, knows them more than they know themselves yet He does so to let them perform actions with which they earn reward or punishment because some of them like to have male (children) and dislike to have female (children), and some like to amass wealth, and dislike adversity.

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