"There is time for everything". 

Thomas A. Edison 

"I demolish my bridges behind me ... then there is no choice but to move forward." 

Firdtjof Nansen 

"Nothing can bring you peace but yourself." 

Ralph Waldo Emerson

 "The worst thing you can do is cling to something that is gone, or to recreate it."

  Johnette Napolitano 

"You can not step twice into the same river, for other waters are continually flowing on". 

Heraclitus 

"Happiness does not depend on outward things, but on the way we see them". 

Leo Tolstoy 

"The art of living lies less in eliminating our troubles than in growing with them". 

Bernard M. Baruch 

"The shortest way to do many things is only one thing at a time".

Richard Cech