{ 1 } - Morality is part of God's governance of the world.
{ 2 } - Morality is possible because of how God created us, as rational animals with an intellect and a will.
{ 3 } - Morality's purpose is to lead us to our final goal, which is eternal happiness with God.
{ 4 } - Morality can be known only through divine revelation, as in the Bible.

Aquinas holds that we have two sources by which we can know the basic moral norms: human reason and the Bible. Both can tell us, for example, that stealing is wrong and that we should treat others as we want to be treated.