Change before you have to

Everyone thinks of changing the world, but no one thinks of changing himself.
– Leo Tolstoy

Education is the most powerful weapon which you can use to change the world.
– Nelson Mandela

The world as we have created it is a process of our thinking. It cannot be changed without changing our thinking.
– Albert Einstein

Never believe that a few caring people can’t change the world. For, indeed, that’s all who ever have.
– Margaret Mead

It is not the strongest of the species that survive, nor the most intelligent, but the one most responsive to change.
– Charles Darwin

Change before you have to.
– Jack Welch