Who are "mi'Msim Yadcha"?
Rashi: From those who die via You on their beds [I choose to be among them].
Radak: This refers to the end of verse 13 "Paletah Nafshi
Who are "mi'Msim me'Cheled"?
Rashi: From those who die in old age, after Chaludah (rust) came on them [I choose to be among them].
Radak: From dead of this world, that all their desire is in this world.
Malbim: Refer to 17:14:1:1.
Why did he say "Chelkam ba'Chayim"?
Rashi: The Tzadikim whose portion is life [I choose to be among them].
Radak: [Perhaps whose desire is in this world], their portion is in this world. They do not hope for the world to come, rather, Your good should fill their stomachs in this world.
Radak: Refer to 17:14:1:3.
Malbim: [Most people, who engage in settling the world, and do not do anything for their Nefesh's happiness and the world to come], they fill their stomachs and consume in this world both portions prepared for them, i.e. also their portion in the world to come - "Kol Amal ha'Adam l'Fihu" (Koheles 6:7).
What is the meaning of "u'Tzfuncha Temalei Vitnam"?
Rashi: Those whom You will fill their innards from the good that You prepared for those who fear You [I choose to be among them].
Radak: Refer to 17:14:3:2.
Malbim: Refer to 17:14:3:4.
Why does it say "Yisbe'u Vanim"?
Radak: Their children should be satiated in this world with them.
Malbim: This is the other intent of most people [who engage in this world, but not for the world to come] - to be satiated with children to perpetuate the species, and leave their wealth to their children.
What is "Yisram [l'Oleleihem]"?
Rashi: It is the property that they leave over when they die. Radak - it will go to their grandchildren.
Malbim: After they die, nothing remains from them, other than the wealth that they left to their children.
