In our country we say it when someone keep telling lies and the truth is clear , we tell them can you hide the sun with your hand , as we can't hide the sun with our hand ,also truth is clear and appears like the sun and we can't hide it.
What I understand in this quote is that no matter how hard a person tries you can never hide the truth and the truth is like the sun it shines like a bright light that every one can see so you can't cover the truth every one will definitely see it.
The phrase “you can't hide the sun with your hand” is often used to refer to the idea that the truth cannot be hidden, no matter how hard someone might try. It is a reminder that no matter how much we may want to avoid the truth, it will eventually come out. It can also be used to encourage someone to be honest and open about their feelings and experiences.
no matter how hard a person tries you can never hide the truth and the truth is like the sun it shines like a bright light that every one can see so you can't cover the truth every one will definitely see it.
It is very easy and simple meaning of you you can't hide the sun from your hand it is stop living an imaginary world illusion where you can feel that you can hide a son from your hand