I would advise my young colleagues, the composers of symphonies, to drop in sometimes at the kindergarten, too. It is there that it is decided whether there will be anybody to understand their works in twenty years' time. ↗
If you have a kid who goes to kindergarten and doesn't know what a circle is, doesn't know what red and green are, and doesn't know what right and left are, by the time he learns those things, the rest of the class is far ahead of him. ↗
Polls that have been taken by kindergarten, first- and second-grade teachers indicate that 30 percent of the kids have been deprived in some way so that they are physically unable to keep up with the class. ↗