Mahatma Gandhi

When I despair, I remember that all through history the ways of truth and love have always won. There have been tyrants, and murderers, and for a time they can seem invincible, but in the end they always fall. Think of it--always.
You must be the change you want to see in the world.
You must not lose faith in humanity. Humanity is an ocean; if a few drops of the ocean are dirty, the ocean does not become dirty.
I am prepared to die, but there is no cause for which I am prepared to kill.
In the attitude of silence the soul finds the path in a clearer light, and what is elusive and deceptive resolves itself into crystal clearness. Our life is a long and arduous quest after Truth.
The greatness of a nation and its moral progress can be judged by the way its animals are treated.
There is no path to peace. Peace is the path.
Your beliefs become your thoughts. Your thoughts become your words. Your words become your actions. Your actions become your habits. Your habits become your values. Your values become your destiny.

more:
"The only tyrant I accept in this world is the still voice within."