Sayyiduna Abdullah (may Allah be pleased with him) says: Make your children keep up their prayers, and make them accustomed to good, for goodness comes through habit.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 5094
Hadith Gradingمحدثین:صحيح لغيرهٖ
Hadith Takhrij«صحيح لغيرهٖ۔ الطبراني في الكبير 9156»