In the encounter with Moses at the burning bush, God revealed himself and promised to show us more of who he is.
In some of his last words, in Matthew 28:16-20, Jesus gave a clear mission to his disciples: to make more disciples of all people...
There is only one true and living God who can rescue humans from serving our handmade gods.
Although God gave humanity up to our sins, he also gave up his Son for our sins.