6 Nice Chinese Quotations

2 days ago, a friend showed me 6 nice sentences.
It's meaningful.

1. 人之所以痛苦，在于追求错误的东西。 　　
2. 如果你不给自己烦恼，别人也永远不可能给你烦恼。因为你自己的内心，你放不下。 　　
3. 你永远要感谢给你逆境的众生。 　　
4. 你永远要宽恕众生，不论他有多坏，甚至他伤害过你，你一定要放下，才能得到真正的快乐。 　　
5. 当你快乐时，你要想这快乐不是永恒的。当你痛苦时，你要想这痛苦也不是永恒的。 　　
6.今日的执著，会造成明日的后悔。

She wants me to understand the fifth ones.
当你快乐时，你要想这快乐不是永恒的。当你痛苦时，你要想这痛苦也不是永恒的。
I understand it.
But sometimes,
understand and implementation don't come together.

There are a lot of things that it's easy to be said,
but it's hard to be applied.

Thanks to my friend.
I will try my best to apply it.
I will try to get out from what I am facing now.

Thanks to all my friends who are supporting me.