All Ballets' fundamental steps are derived from the folk dances of Western Europe.
Diaghilev was the first to notice good character dancers and that sort of thing.
You can't dance until you've learnt steps, the things your feet can do.
We are developing the other parts, and we can't give quite all our attention to the upper part, but soon the lower parts will be developed, and the upper part and the lower part will become partners, that will be wonderful.
Nothing is done easily, first have the thing, then the thing has a success, then all sorts of difficulties arise through the success.
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.
You never advance without losing something en passant... you lose it because you're paying so much attention to the new thing.