Help with a Maya Angelou quotes?

Question

What does this quotes mean?

If you don't like something, change it. If you can't change it, change your attitude. Don't complain.

Answer 1

It means that if you want something done then you have to do it yourself if you don't want to do it yourself then don't say anything else about it.

Answer 2

Its all about perception. Perceive yourself to be happy and you will be. Perceive yourself in a bad situation and you will be in one. But perceive something positive about every situation and then you will be a truly happy person.

Answer 3

If you have the power to make a difference, do it,

If you don't have the power to change it, don't complain about it. Change the point of view of it, look at it differently, it might be for the best the way it is.