Acts 17
Therefore, the One whom you worship without knowing, Him I proclaim to you: 24 God, who made the world and everything in it, since He is Lord of heaven and earth, does not dwell in temples made with hands. 25 Nor is He worshiped with men’s hands, as though He needed anything, since He gives to all life, breath, and all things. 26 And He has made from one blood every nation of men to dwell on all the face of the earth, and has determined their preappointed times and the boundaries of their dwellings, 27 so that they should seek the Lord, in the hope that they might grope for Him and find Him, though He is not far from each one of us;

Paul finds an altar with the inscription “TO THE UNKNOWN GOD.”
This is what starts his speech.
We can know God. He is everywhere. He has set our feet and our path in hopes that we will see Him reveal Himself. Each day He is never very far.