As time goes on, all schools only get left alive if they have found something special themselves.

Nothing is done easily, first have the thing, then the thing has a success, then all sorts of difficulties arise through the success.

It's either not good enough and dies altogether, or it develops.

First of all, the most important, that is to learn everything good that has survived from other times, and carefully to watch the bad - and throw it out.

As time goes on, all schools only get left alive if they have found something special themselves.

There's nothing in the world that isn't good, bad, and indifferent.

Diaghilev was the first to notice good character dancers and that sort of thing.