Paraphrasing . . .

“The ultimate reason for God’s creation was God’s invitation to each existing person . . . not to a collectivity . . . to live within His own Trinitarian eternal life.

“Each human person is invited into the divine friendship as an adopted son or daughter.

“The universe exists in order that this invitation might be freely reciprocated by man.

“Man’s existence in time is essentially concerned with how he will respond to this divine invitation.”

Responding to the Divine Invitation is man’s test. The response will influence the Last Judgment. It will be on God’s terms, not the terms of the person whom God created.

Source.