Reference for Genesis 26:4

וְהִרְבֵּיתִ֤י אֶֽת־זַרְעֲךָ֙ כְּכוֹכְבֵ֣י הַשָּׁמַ֔יִם וְנָתַתִּ֣י לְזַרְעֲךָ֔ אֵ֥ת כָּל־הָאֲרָצֹ֖ת הָאֵ֑ל וְהִתְבָּרֲכ֣וּ בְזַרְעֲךָ֔ כֹּ֖ל גּוֹיֵ֥י הָאָֽרֶץ׃

and I will multiply thy seed as the stars of heaven, and will give unto thy seed all these lands; and by thy seed shall all the nations of the earth bless themselves;