One of the most serious obstacles to happiness is the awkwardness of modern man, with his mind full of doctrines and abstract formulas, when he attempts to re-establish contact with real emotions. Animals and unsophisticated people achieve happiness more naturally, because their desires are simpler and truer. Civilized man, a parrot enslaved by his chattering, ceaselessly inoculates himself with loves and hatreds which he does not actually fee.

Un Art de Vivre (The Art of Living) (1939) - The Art of Happiness