The books that everybody admires are those that nobody reads.
The whole art of teaching is only the art of awakening the natural curiosity of young minds for the purpose of satisfying it afterwards.
What we call happiness is what we do not know.
Those who have given themselves the most concern about the happiness of peoples have made their neighbors very miserable.
Religion has done love a great service by making it a sin.
It is the certainty that they possess the truth that makes men cruel.