1)
What is "Masa Nafsham"?
1.
Rashi: Their Nefesh is elevated through them.
2.
Radak #1: It is what they yearn for - their sons and daughters.
3.
Radak #2: This is a Mashal for the Beis ha'Mikdash. It should say u'Vneihem...; the prefix Vov is omitted, like "Shemesh Yare'ach" (Chabakuk 3:11) and similar verses.
