I became a Calvinist before I knew what Calvinism was, simply by memorizing the first 14 chapters of Romans as a youngster.
11Yet, before the twins were born or had done anything good or bad--in order that God's purpose in election might stand: 12not by works but by him who calls--she was told, "The older will serve the younger."[4] 13Just as it is written: "Jacob I loved, but Esau I hated."[5]
14What then shall we say? Is God unjust? Not at all! 15For he says to Moses,
"I will have mercy on whom I have mercy,
and I will have compassion on whom I have compassion."[6] 16It does not, therefore, depend on man's desire or effort, but on God's mercy.
Cordially