How do we go beyond castism,religiois.

According to the 'Bible, man (Adam&Eve) failed to obey God's command which is 'not to eat the fruit from the tree of knowledge of good and evil".. and because of the disobedience, and the resulting awakenings they've felt like emotions - guilt, shame,. the consciousness that makes us what we are today.. hardships of man began to pile up.. now, considering the 7+ billion human population with different beliefs, philosophies, ideals.. thus the road to finding the truth is so complex. the solution to our problems is easy.. only if we already have known the real and true 'God and submit ourselves to His will.