Joy, feeling one’s own value, being appreciated and loved by others, feeling useful and capable of production are all factors of enormous value for the human soul.
It is well to cultivate a friendly feeling towards error, to treat it as a companion inseparable from our lives, as something having a purpose, which it truly has.
If the idea of the universe is presented to the child in the right way, it will do more for him than just arouse his interest, for it will create in him admiration and wonder, a feeling loftier than any interest and more satisfying.