It just happens. And we should live with it.

　　世事无常，我们要随遇而安。

　　You can change your life if you want to. Sometimes, you have to be hard on yourself, but you can change it completely.

　　有志者事竟成。有时虽然劳其筋骨，但是命运可以彻底改变。

　　When something bad happens, there's no point in wishing it had not happened. The only option is to minimize the damage.

　　事情已经发生了，还希望事情不要发生没有意义，当务之急是减少损失。

　   Life's altered you, as it's altered me. And what would be the point of living if we didn't let life change us?

　　生活改变了你我，若要回到原点一成不变，那人生还有何意义?

　　We must all have our hearts broken once or twice before we're done.

　　人这一生啊，总要心碎一两次的。