when you are unhappy,

Think about how many days you have left to fiddle with,

If you figure it out, you will never be angry again.

When you are troubled,

Think about life as subtraction,

Seeing each other less often,

What else is there to worry about?

Don't forget people's kindness, don't remember people's mistakes,

Don't think about people's faults, don't care about people's complaints. ​​​