This is called clock. Every one knows what is it. And every one know is function, like it show the time. But wait a minute, are you really think that clock only show us time.
No no no
Clock aware us that your time is going on.
And if you do something the presence of your time, it will pay you on that time when you need.
Read my sentences once more, what i am talking about?
What you done something today, its return the reward for you next time. So be kind, be good. Because if you done bad then think it will return on the shape of bad ☹😟🧐