Critical Thinking requires to absolutely be able to come up with a sound conclusion. There is always room for additional data that could answer bigger question thru understanding and wisdom.

There are multiple strong sounded arguments about God’s existence without even looking into a Bible.

Questions like why is my heart beating without my approval of control? What external force initiated  the beginning of the universe? What pre programmed software drives our DNA to behave the ways it does? Where does the inner energy go?  Things like love exist in the non material world yet have influence over every human. And so on. Everything from science awareness to instinctive awareness to spiritual awareness point to the existence of a Grand Designer. A complex existence require a masterful mind. These attributes can only be fulfill by one. Calle it Creator, Grand Architect, Supreme Being, or just God. Overwhelme!

Psalm 19:1

The heavens declare the glory of God; and the firmament sheweth his handywork.