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… - Jean-Jacques Rousseau

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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.