"Your belief determines your action and your action determines your results, but first you have to believe." 

-Mark Victor Hansen

"With whom shall I battle, for I am my own enemy? Who will save whom, for I am my own savior? I am my own witness, for my actions and inactions." 

-Dharmarakshita

“Do you want to know who you are? Don't ask. Act! Action will delineate and define you.” 

-Thomas Jefferson

“Watch your thoughts; they become words. Watch your words; they become actions. Watch your actions; they become habit. Watch your habits; they become character. Watch your character; it becomes your destiny.” 

-Lao Tzu

"Every thought you produce, anything you say, any action you do, it bears your signature." 

-Thich Nhat Hanh

"In Zen, actions speak louder than words. Doing is more important than knowing, and knowledge which cannot be translated into action is of little worth."
-Thich Thien-An

"The thing done avails, and not what is said about it."

-Ralph Waldo Emerson