מדרש על אבות 6:10

Is He not your Father, your Maker (kanecha): He is the one who acquired (kana) you. [It is] as we have found in Pirkei DeRabbi Eliezer: When the Holy One, blessed be He, came to mix up the generation of the dispersion (of the Tower of Babel), the Holy One, blessed be He, said to the angels, the ministers of all the nations, "Come and we will choose lots, to whom the nations will come up" - a nation for each one of them, and which will come up to [be] His lot. [So] they picked lots, and Israel fell to the portion of the Holy One, blessed be He. As it is written, "When the Highest One gave inheritance to the peoples." And so [too,] does it state, "For the portion of the Lord is His people, Yaakov the lot of his inheritance." Hence the Holy One, blessed be He, called Israel, 'the exchange of other nations.' And that is what the Sages said (Avot 6:10), "Israel is one acquisition." And that is [the meaning of] "Is He not your Father, your Maker."