You cannot appreciate happiness you have known sadness too.

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We are all "were",blurred our closest happiness.[我们都是"远视眼"，模糊了离

Dark side in my heart is unable to erase the sadness in the past【黑暗在我心中无法抹去过去的悲伤。

We pull hook, happiness always.我们拉勾勾，幸福一直有。

Each person as happiness is to be given their own.每个人的快乐是要自己给的。

You cannot appreciate happiness you have known sadness too.

Happiness keeps growing endlessly,but it's too far to reach.幸福是生生不息，却难以触及的远。

Looking at less than the height of happiness. 仰望不到幸福旳高度。

：Knowing I can't get you so I pray that you and her happiness.明知我得不到你所以我祈祷你和她幸福.

Graduated from unspeakable joy and sadness 毕业了 说不出的喜悦和苦涩

I'm just enjoying a simple life,which has nothing to do with happiness or sorrow.