Analyze the tweet "We need but little learning to live happily - Michel de Montaigne #quote #philosophy #wisdom #wisewords #mentalhealth #psychology #anxiety" to classify the intensity of the emotion sadness. Your options are: 0: no sadness can be inferred, 1: low amount of sadness can be inferred, 2: moderate amount of sadness can be inferred, 3: high amount of sadness can be inferred.