The film [Stalker] needs to be slower and duller at the start so that the viewers who walked into the wrong theatre have time to leave before the mai… - Andrei Tarkovsky

When less than everything has been said about a subject, you can still think on further. The alternative is for the audience to be presented with a final deduction (...) no effort on their part.
What can it mean to them when they have not shared with the author the misery and joy of bringing an image into being?

A child doesn't have to be a prodigy. The only thing that matters is that he should't become 'stuck' in childishness

I don’t know… I think I’d like to say only that they should learn to be alone and try to spend as much time as possible by themselves. I think one of the faults of young people today is that they try to come together around events that are noisy, almost aggressive at times. This desire to be together in order to not feel alone is an unfortunate symptom, in my opinion. Every person needs to learn from childhood how to spend time with oneself. That doesn’t mean he should be lonely, but that he shouldn’t grow bored with himself because people who grow bored in their own company seem to me in danger, from a self-esteem point of view.