"The most beautiful thing we can experience is the mysterious. It is the source of all true art and all science. He to whom this emotion is a stranger, who can no longer pause to wonder and stand rapt in awe, is as good as dead: his eyes are closed." 

-Albert Einstein

"Yesterday is gone. 

Tomorrow has not 

yet come. 

We have only 

today."

-Mother Teresa

"The whole history of science has been the gradual realization that events do not happen in an arbitrary manner, but that they reflect a certain underlying order, which may or may not be divinely inspired."

-Stephen Hawking

"No one saves us but ourselves, no one can and no one may. We ourselves must walk the path..."

-Gautama Buddha

"The pessimist sees difficulty in every opportunity. The optimist sees the opportunity in every difficulty"

-Winston Churchill

Knowing others is intelligence;

knowing yourself is true wisdom.
Mastering others is strength; mastering yourself is true power.

-Laozi 

(as interpreted by Stephen Mitchell)