1)
What is this Pasuk coming to teach us?
1.
Rashi: It teaches us that one may only swear by Hashem's Name if one fears Him, serve Him and cleaves to Him.
2)
Having already taught this in Va'eschanan 6:13, why does the Torah repeat it here?
1.
Temurah, 3b: To teach us that it is a Mitzvah to make a Shevua'h to fulfill a Mitzvah. 1
1
Temurah, Ibid.: In keeping with the Pasuk in Tehilim, 119:106 "Nishba'ati Va'akayeimah Lishmor Mishp'tei Tzidkecha". See Torah Temimah, note 21.
3)
Why does the Torah add "u'Vo Sidbak" here, but not in Va'eschsnan 6:13?
1.
Refer to 6:13:151:1-5.
4)
What does it mean 'to cleave to Hashem'?
1.
Refer to 11:22:4:1-7.
