1)
How are his bones full of his youth?
1.
Rashi: They are full of the strength of his youth.
2.
Ibn Ezra: They are full of the sins of his youth.
3.
Malbim: They are full of the health of his youth.
2)
What will lie in the earth with him?
1.
Rashi: His strength - he will die suddenly.
2.
Malbim: His strength, youth and health. He will not get weak or ill first, so he will not know to repent. He will die suddenly.
