Well, Christianity is based on faith. The concept of Hell or Satan is dubious, even in a Christian paradigm, but there's no eliminating the necessity of faith, blind faith, to follow any form of Christian belief.
The reality in relation to what we can know is severely limited, the more science discovers the more questions are manifest, not answers. This is how many scientists, to resolve the overwhelming cognitive dissonance, will turn to religion. There are intelligent science aware Christians, but they have in being Christian, surrendered thinking freely.
This preacher and his intended message is unknown from just the title. It's even possible the preacher is deluded enough to think free thinking is compatible with Christian faith and means to argue against the Title of the sermon.
The reality in relation to what we can know is severely limited, the more science discovers the more questions are manifest, not answers. This is how many scientists, to resolve the overwhelming cognitive dissonance, will turn to religion. There are intelligent science aware Christians, but they have in being Christian, surrendered thinking freely.
This preacher and his intended message is unknown from just the title. It's even possible the preacher is deluded enough to think free thinking is compatible with Christian faith and means to argue against the Title of the sermon.