Comentario citado sobre I Reyes 2:23

ואולם חי אני, “But, as I am alive, etc.” Rashi understands this phrase as an oath, claiming that it is an incomplete, truncated phrase and actually continues to the end of verse 23 Nachmanides writes concerning Rashi’s interpretation that it is not an oath, and that the Torah deliberately refrained from quoting G’d as having said anything that could be interpreted as an oath, as it would be unseemly to quote G’d as having sworn an oath unless He himself said so specifically. [Remember that the words quoted here, were spoken by Moses. When G’d utters an oath, He is quoted directly, as in Genesis 22,16 בי נשבעתי נאום ה', “I have sworn by My own self, etc. Ed.] According to Rabbi Chavell, Nachmanides means that if the words וימלא כבוד ה' את כל הארץ would not be part of an oath they should have appeared only at the conclusion of verse 23. Appearing as they do where they do, means that they are the rationale why G’d does not kill all the people now, as if He were to do so, the argument which Moses had portrayed the Egyptians as using to demonstrate G’d’s impotence to defeat the Canaanites would gain public support world-wide. When an ordinary person commences a sentence in a manner similar to the above, i.e. כה יעשה לי אלוקים, “may G’d do such and such to me,” and he leaves the other half of the sentence unspoken, this is also to be interpreted as a לשון שבועה, a formula of an oath, according to Nachmanides. (Compare Samuel II 3,35, Kings I 2,23)