God or Madman?

A somewhat famous quote from C.S. Lewis, but still as good as ever.

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"I am trying here to prevent anyone from saying the really foolish thing that people
often say about Him [Jesus Christ]: 'I'm ready to accept Jesus as a great moral teacher, but I don't accept His claim to be God.'

That is the one thing we must not say. A man who was merely a man and said the sort
of things Jesus said would not be a great moral teacher. He would either be a lunatic -- on a level with a man who says he is a poached egg -- or else he would be the Devil of Hell.

You must make your choice. Either this Man was, and is, the Son of God, or else a madman or something worse .... You can shut Him up for fool, you can spit at Him and kill Him as a demon; or you can fall at His feet and call Him Lord and God. But let us not come up with any patronizing nonsense about His being a great human teacher. He has not left that option open to us. He did not intend to."

C.S. Lewis
Case for Christianity