我真的相信，如果你沒有學會悲傷，你就無法欣賞快樂。 I do believe that if you haven't learnt about sadness, you cannot appreciate happiness.

我真的相信，如果你沒有學會悲傷，你就無法欣賞快樂。 I do believe that if you haven't learnt about sadness, you cannot appreciate happiness. 
希臘歌后 娜娜穆斯庫莉 Nana Mouskouri