You are the centre of that world. That is the world you live in. Now how will you change the world? By changing yourself.
A leader must be established in higher values, and be able to communicate her vision to the people. A leader must have impeccable character and be above reproach. She must be dedicated to the welfare of the people, not be driven by self-interest!
A man said to the universe: “Sir, I exist!” “However,” replied the universe. “The fact has not created in me a sense of obligation.”
The one who has deep knowledge of wide-ranging subjects has the capability to provide solutions to almost every problem. He has the intelligence required to understand the basic nature of the problem and then work accordingly towards finding its solution. He always gives right advice to the right people at the right time.