Understanding and application

What is the main requirement of تَعَاهَدُوا الْقُرْآنَ?

Preserving the Qur'an, Prayer Etiquette, Rights, and Taqwa (Hadith 162–168)

• Stop reviewing after memorization
• Review and care for memorized Qur’an regularly
• Recite loudly only once
• Memorize only new passages