The most frequent deeds that lead people to Paradise are piety and good manners. [At-Tirmidhi]
"«أكْثَرُ مَا يُدْخِلُ الْجَنَّةَ تَقْوَى اللَّهِ وَحُسْنُ الْخُلُقِ». [حسن صحيح- الترمذي.] -"