It is not our choice to choose an honest trade, but his, for his education has made him despise what is useless, and he will never want to waste his time in vain work, his chosen trade, Even Robinson Crusoe on a desert island could use it.When we look at works of nature and works of art with our child, we arouse his curiosity.Following his curiosity, we have ample opportunity to study his tastes and tendencies, to observe the first sparks of talent, to see what kind of genius he has.