Sorrow is a black cloud, which can change people's mental state. -Hugo

2.

When you are in trouble, forget your worries, and you will reach them. -Zuo Qiuming

3.

Worry divides seasons, disturbs rest, turns night into morning, and midnight is night. -Shakespeare

4.

Everyone controls sadness, but it must be someone else's. -Shakespeare

5.

If you talk about sad things with a happy mood, the sadness will disappear. -George Burns

6.

If you can't sleep, get up and do something, don't lie there worrying. It is anxiety, not insomnia, that gnaws at people's body and mind. -Dale Carnegie