Learning the Holy Qur’an is incumbent upon the believer.

Imam Sadiq, peace be upon him, says:

ينبغي للمؤمن أن لا يموت حتى يتعلم القرآن

.أو يكون في تعلمه

It is incumbent upon the believer to not pass away till he learns the Holy Qur’an, or be in the process of learning it.

(Mizan Al-Hikmah مِيزان الْحِكمة) V3 P2521.