"Knowing is not enough; we must apply. Willing is not enough we must do."
Goethe

"Curiosity is the wick in the candle of learning." 
William Arthur Ward

"I believe through learning and application of what you learn, you can solve any problem, overcome any obstacle and achieve any goal that you can set for yourself."
Brian Tracy

"Education is what remains after one has forgotten what one has learned in school."
Albert Einstein. 

"Nothing we learn in this world is ever wasted."
Eleanor Roosevelt

"The purpose of learning is growth, and our minds, unlike our bodies, can continue growing as long as we live." 
Mortimer Adler