Actually jesus said he gave his secrets only to the disciples and the public was given metaphors so that "though hearing they would not hear and though seeing they will not see" but this isn't common knowledge amongst modern christians and they tend to claim this isn't true.
Luke 8:10
https://biblehub.com/luke/8-10.htm
He said, "The knowledge of the secrets of the kingdom of God has been given to you, but to others I speak in parables, so that, "'though seeing, they may not see; though hearing, they may not understand.'