Ephesians 3:9

9 and to make plain to everyone the administration of this mystery, which for ages past was kept hidden in God, who created all things.

Read Ephesians 3:9 Using Other Translations

And to make all men see what is the fellowship of the mystery, which from the beginning of the world hath been hid in God, who created all things by Jesus Christ:
and to bring to light for everyone what is the plan of the mystery hidden for ages in God who created all things,
I was chosen to explain to everyone this mysterious plan that God, the Creator of all things, had kept secret from the beginning.