The best of you is who learns Quran and teaches it to others.
أحْسِنُوا تِلاوَةَ القُرْآنِ فَإنَّهُ أنْفَعُ (أحْسَنُ) القَصَصِ، واسْتَشْفُوا بِهِ فَإنَّهُ شِفاءُ الصُّدُورِ
The best of you is who learns Quran and teaches it to others.