"Your own self-realization is the greatest service you can render the world." 

-Ramana Maharshi

"Another world is not only possible, she is on her way. On a quiet day, I can hear her breathing." 

-Arundhati Roy

"Try not to change the world. You will fail. Try to love the world. Lo, the world is changed. Changed forever." 
-Sri Chinmoy

“Let him who would move the world, first move himself.” 
-Socrates

"Nothing is permanent in this wicked world - not even our troubles." 
-Charlie Chaplin

"You must be the change you wish to see in the world."

-Mahatma Gandhi

"The Mind and the world are opposites,
and vision arises where they meet.
When your Mind doesn't stir inside,
the world doesn't arise outside."

-Bodhidharma