As a general rule—never substitute the symbol for the thing signified, unless it is impossible to show the… — Jean Jacques Rousseau
As a general rule—never substitute the symbol for the thing signified, unless it is impossible to show the thing itself; for the child's attention is so taken up with the symbol that he will forget what it signifies.
Source: Wikiquote · CC BY-SA 4.0
More from this book
Where is the man who owes nothing to the land in which he lives? Whatever that land may be, he owes to it the most precious thing possessed by man, the morality of his actions and the love of virtue.
Gluttony is the vice of feeble minds. The gourmand has his brains in his palate, he can do nothing but eat; he is so stupid and incapable that the table is the only place for him, and dishes are the only things he knows anything about. Let us leave him to this business without regret; it is better for him and for us.
Nature never deceives us; it is always we who deceive ourselves.

