"The one who recites the Qur'an loudly is like one who gives charity openly, and the one who recites the Qur'an quietly is like one who gives charity in secret."  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ الْجَاهِرُ بِالْقُرْآنِ كَالْجَاهِرِ بِالصَّدَقَةِ وَالْمُسِرُّ بِالْقُرْآنِ كَالْمُسِرِّ بِالصَّدَقَةِ