If it is true that...

God the father, the word (son), and the holy spirit are all one supreme good

Then it must be true that...

There is a supreme good requiring nothing else, which all other things require for their existence and well-being

If it is true that...

All things need God for their being and their well-being

Then it must be true that...

There is a supreme good requiring nothing else, which all other things require for their existence and well-being

If it is true that...

God truly exists

Then it must be true that...

There is a supreme good requiring nothing else, which all other things require for their existence and well-being