There is no such thing as perfection, there are only standards. And after you have set a standard you learn that it was not high enough. You want to surpass it.
Jascha HeifetzThe discipline of practice every day is essential. When I skip a day, I notice a difference in my playing. After two days, the critics notice, and after three days, so does the audience.
Jascha HeifetzIf I don't practice one day, I know it; two days, the critics know it; three days, the public knows it.
Jascha Heifetz