la felicidad siempre tiene un objeto, somo felices por algo,es un sentimiento cuya existencia depende del exterior. La alegría, en cambio, no tiene objeto. Te posee sin ningún motivo aparente, en su esencia se parece al sol: arde gracias a la combu...
... but happiness is to joy as an electric light bulb is to the sun. Happiness always has an object, you're happy because of something, it's a condition whose existence depends on external things. Joy, on the other hand, has no object. It seizes you ...
Unshed tears leave a deposit on your heart. Eventually they form a crust around it and paralyze it, the way mineral deposits paralyze a washing machine.