When you leave the house in the morning,  your mom doesn't say, "Hey, honey, I think it's going to be cold, take a hoodie, don't forget to obey the law of gravity."
아침에 집을 나설 때, 어머님이 이렇게 말하진 않죠. "얘야, 오늘 날씨가 쌀쌀할 것  같으니 겉옷 챙기고 중력의 법칙을 따르는  것을 잊지말아라."