Let children learn to judge their own work. A child learning to talk does not learn by being

 55  all the time: if corrected too much, he will   56  talking. He notices a thousand times a day the difference   57  the language he uses and the language around him. Bit by bit, he makes the necessary changes to make his language   58  other people’s. In the same way, children learn to do all the other things they learn to do without being   59  - to walk, run, climb, whistle, ride a bicycle, compare their own performances with those of more   60  people, and   61  make the needed changes.