“ When human beings are peaceful and joyful within themselves, they will do just what is needed, nothing more, nothing less. ”
Source: Book: Culture of Peace; Page: 13
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I have no faith in human perfectibility. I think that human exertion will have no appreciable effect upon humanity. Man is now only more active - not more happy - nor more wise, than he was 6000 years ago. 
The biggest mistake that people make is they try to be happier than someone else. 
You cannot protect yourself from sadness without protecting yourself from happiness. 
You are in charge of your own happiness; you don't need to wait for other people's permission to be happy. 
People that have trust issues only need to look in the mirror. There they will meet the one person that will betray them the most. 
The tyrant dies and his rule is over, the martyr dies and his rule begins.