Concluding it might be difficult to proof the existence of god it is even more difficult to proof there does not exist a Causer of everything.
People can be irreligious, delusional or belonging to lovers of agnosticism, ignosticism, ietsism, scepticism, pantheism, atheism, strong or positive atheism, implicit atheism, and apatheism. After the rebellion of man God saw the world turning against Him but kept hoping in a good relationship with His creatures.
In the Eastern and Western world, philosophy has spawned endless debates about the big life questions but showed that reason alone has not proved adequate to lead people to wide-spread agreement.
We look at a visible or invisible God, Who is the Being Itself Which created heaven and earth and gave life into beings which got to be.