"It is difficult to say what is impossible, for the dream of yesterday is the hope of today and the reality of tomorrow." 
-Robert H. Goddard

“Flow with whatever may happen, and let your mind be free: Stay centered by accepting whatever you are doing. This is the ultimate.”
-Chuang Tzu

"The beauty of Zen is found in simplicity and tranquility, in a sense of the all-embracing harmony of things." 
-Thich Thien-An

"Wisdom and compassion flow from simplicity and clarity; from having nothing to prove and nothing to defend." 

-Barry Magid

“A clear mind comes from the wonderful fundamental essence given us by nature and is not a personal possession. Impartiality beyond any specific culture fosters clarity and deeper seeing. It is not hard to produce wisdom…what is hard is to have wisdom not interrupted.” 

-Lao Tzu

"Dwell not on the faults and shortcomings of others; instead, seek clarity about your own." 

-Buddha