It must be classed among those phenomena of a hypnotic order, which we shall shortly study. In a crowd every sentiment and act is contagious, and con… - Jean-Jacques Rousseau

We are born sensitive and from our birth onwards we are affected in various ways by our environment. As soon as we become conscious of our sensations we tend to seek or shun the things that cause them, at first because they are pleasant or unpleasant, then because they suit us or not, and at last because of judgments formed by means of the ideas of happiness and goodness which reason gives us. These tendencies gain strength and permanence with the growth of reason, but hindered by our habits they are more or less warped by our prejudices. Before this change they are what I call Nature within us.

Childhood has its own way of seeing, thinking, and feeling, and nothing is more foolish than to try to substitute ours for theirs.

las fatigas y el agotamiento espiritual, los pesares y contrariedades que se sienten en todas las situaciones, los cuales corroen perpetuamente el alma: he ahí las pruebas funestas de que la mayor parte de nuestros males son obra nuestra,