What an utterly stupid comment.
Who gives a fu*k about faith if what you believe in isn't true?
Just admit you align yourself with bullsh*t and keep it moving.
Do you also label medical studies conducted by scientists that cite and acknowledge the effects of a placebo as 'utterly stupid'?
For you to feel comfortable directing such venom in belittling somebody else's opinion, one of your past school teachers must have made the unfortunate mistake of convincing you that you're brighter than you really are.
There was nothing 'utterly stupid' about his comment, but yours certainly was - one doesn't need to be religious to see that.