There are movies that require fantasy and slightly more fantastical acting. Lines that are good for certain movies in real life circumstances would be absolutely unbelievable things to really say and you would look at these people like they're freaks for conversing that way. But somehow for certain styles of movies it works and it seems fine.
The radical novelty of modern science lies precisely in the rejection of the belief... that the forces which move the stars and atoms are contingent upon the preferences of the human heart.
