Roma 9:15

9:15 For he says to Moses: “I will have mercy on whom I have mercy, and I will have compassion on whom I have compassion.” ¹ 

Roma 10:20

10:20 And Isaiah is even bold enough to say, “I was found by those who did not seek me; I became well known to those who did not ask for me.” ² 

[9:15]  ¹ sn A quotation from Exod 33:19.

[10:20]  ² sn A quotation from Isa 65:1.