Filial Piety
Teachers are all around us. Those who came before us are our teachers, so it's important to respect them. This is the basic idea of filial piety.
Respect your elders, for they have much to teach us.
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With filial piety in mind, you decide to go visit your father, who is こういち.
I am so ignorant and have much to learn. I must show filial piety to my father, こういち, so that he may teach me.