1)
Why did he mention that Hashem gave kingship to David?
1.
Malbim: This shows that it has a strong source.
2)
What is the significance of "Bris Melach"?
1.
'Rashi': It is lasting, and with Emunah.
2.
Malbim: Just like salt never spoils, so David's kingship will never cease, even if his sons sin, like it says "Im Ya'azvu Vanav Torasi?; v'Chasdi Lo Afir me'Imo" (Tehilim 89:31, 34).
