Atheists say:
No, because God doesn’t exist and you can’t prove the existence of something that does not exist.Skeptics say:
No, because such matters are beyond the scope of human reason.Fideists say:
No, because the existence of God must be taken on faith.Thomas Aquinas says
Yes, through reason in "five ways."Cleanthes says (Cf. Hume):
Yes, through scientific reasoning.