Final answer:
Filial piety is a common belief in Asian cultures which holds that children have the responsibility to care for their aging parents.
Step-by-step explanation:
In Asian cultures, a common belief is that children have the responsibility to care for their aging parents. This belief is known as filial piety. Filial piety is a concept rooted in Confucianism, which emphasizes the respect and obedience that children should show towards their parents. It is considered a moral duty for children to care for their parents in their old age, providing support and assistance.