To a chemist, nothing on earth is unclean. A writer must be as objective as a chemist; he must abandon the subjective line; he must know that dungheaps play a very respectable part in a landscape, and that evil passions are as inherent in life as good ones.
In displaying the psychology of your characters, minute particulars are essential. God save us from vague generalizations! Be sure not to discuss your hero's state of mind. Make it clear from his actions. Nor is it necessary to portray many main characters. Let two people be the center of gravity in your story: he and she.
Anyone who says the artist's field is all answers and no questions has never done any writing or had any dealings with imageryYou are confusing two concepts: answering the questions and formulating them correctly. Only the latter is required of an author.
There are people whom even children's literature would corrupt. They read with particular enjoyment the piquant passages in the Psalter and in the Wisdom of Solomon.
One can prove or refute anything at all with words. Soon people will perfect language technology to such an extent that they'll be proving with mathematical precision that twice two is seven.
Of course politics is an interesting and engrossing thing. It offers no immutable laws, nearly always prevaricates, but as far asblather and sharpening the mind go, it provides inexhaustible material.
Sports are positively essential. It is healthy to engage in sports, they are beautiful and liberal, liberal in the sense that nothing serves quite as well to integrate social classes, etc., than street or public games.