“Being grateful to our parents is the foundation of being a decent person. We exist because of our parents. Our mothers suffered a great deal during pregnancy and while giving birth, much like the earth having to endure much ordeal as plants grow out of the ground.” Filial Book:The Essence of Filial Piety: The First Lesson to a Happy Life Source: The Essence of Filial Piety: The First Lesson to a Happy Life