Comprehension and application

Which two actions are joined in خَيْرُكُمْ مَنْ تَعَلَّمَ الْقُرْآنَ وَعَلَّمَهُ?

Earning, good deeds, and seeking knowledge (Hadith 44–50)

• Only owning a copy and keeping it from others
• Learning the Qur’an and teaching it
• Deliberately preserving recitation mistakes
• Giving certain interpretation without knowledge