The key point about a demonstration is that it must be seen. Hence the term "demonstration." If a person demonstrates privately in his own home, this is not technically a demonstration but merely "acting silly" or "behaving like an ass.

His lack of education is more than compensated for by his keenly developed moral bankruptcy.

I just can't listen to any more Wagner, you know...I'm starting to get the urge to conquer Poland.

I'm at the stage of life when if a girl says no to me I'm profoundly grateful to her.

Don't knock masturbation. It's sex with someone I love.

There's no point in looking back, because there's nothing you can really do to improve the film. You can only aggravate and wish you had done stuff better.

People still have existential anxiety. It just may not be expressed in Hebraic idiom.