The term "national idea" is an unclear one. One might think of it as a widely shared understanding among a people as to the desired way of life in their country, an idea that holds sway over the population. A unifying concept like that can be useful, but should never be created artificially or imposed top-down by the powers-that-be.

If a person can build a fence around himself, he is bound to do it.

Woe to that nation whose literature is disturbed by the intervention of power. Because that is not just a violation against "freedom of print," it is the closing down of the heart of the nation, a slashing to pieces of its memory.

As the fathers live, so the children play.

The fewer limitations the artist imposes on his work, the less chance he has for artistic success.

When you're cold, don't expect sympathy from someone who's warm.

... mutual lack of understanding carries the threat of imminent and violent destruction.