You can count on me, at least, from now on when someone says they don’t believe in God because they don’t see Him, I won’t believe such an atheist.
First because Jesus said to Thomas in an appearance before his apostles: “Blessed are those who believe in him without having seen my father”; but above all because what Paul wrote is very real: “God can be seen in the entire order of the world around us.”
And anyway, the other thing Paul says is also true, that “what is known about God is because God manifested it.”
Just think that, at the same time that Jesus praised those who believe without seeing, he called Thomas to his side and said to him: “Put your hand in my side, where I have the hole of my wound,” so that that good man would convince and then exclaim: “It is you my lord! Glory to God!”.
Then he said to Thomas: Put your finger here, and see my hands; and give your hand here, and put it in my side; and do not be an unbeliever, but a believer. And Thomas answered and said to him, “My Lord, and my God!” Jesus said to him: “Thomas, because you have seen me, you believed; blessed are those who have not seen, and have believed!