知っている人は10代のときに分かって一生生きていくし、知らない人は知っている人が教えなければ一生知らないで生きて死ぬ。
The person who knows lives his entire lifetime knowing from the time of his teens and the person who does not know lives his entire lifetime not knowing and dies unless the person?who knows teaches him.
photo:「Young and Old 」by castgen from flickr