This page lists my favorite quotes about motivation.
“If you can't fly then run, if you can't run then walk, if you can't walk then crawl, but whatever you do you have to keep moving forward.” ― Martin Luther King Jr.
“Life is like riding a bicycle. To keep your balance, you must keep moving.” ― Albert Einstein
“Anyone who has never made a mistake has never tried anything new.” ― Albert Einstein
“You never fail until you stop trying.” ― Albert Einstein
“It is not that I'm so smart. But I stay with the questions much longer.” ― Albert Einstein
"The only thing we have to fear is fear itself." ― Franklin D. Roosevelt
“What we know is a drop, what we don't know is an ocean.” ― Isaac Newton
“If I have seen further it is by standing on the shoulders of Giants.” ― Isaac Newton,
“Let your hopes, not your hurts, shape your future.” ― Robert H. Schuller
“I'd rather attempt to do something great and fail than to attempt to do nothing and succeed.” ― Robert H. Schuller,
“Never cut a tree down in the wintertime. Never make a negative decision in the low time. Never make your most important decisions when you are in your worst moods. Wait. Be patient. The storm will pass. The spring will come.” ― Robert H. Schuller
“Nothing splendid has ever been achieved except by those who dared believe that something inside them was superior to circumstance.” ― Robert H. Schuller
“You are what you think about all day long.” ― Robert H. Schuller
“Let your imagination release your imprisoned possibilities” ― Robert H. Schuller
“What great thing would you attempt if you knew you could not fail?” ― Robert H. Schuller
“Tough times never last, but tough people do.” ― Robert H. Schuller
“Don't violate the law, but don't reject an idea because it's illegal. You might be able to get the law changed.” ― Robert H. Schuller
“Goals are not only absolutely necessary to motivate us. They are essential to really keep us alive.” ― Robert H. Schuller
“Better to do something imperfectly than to do nothing flawlessly.” ― Robert H. Schuller
“Everybody can be great...because anybody can serve. You don't have to have a college degree to serve. You don't have to make your subject and verb agree to serve. You only need a heart full of grace. A soul generated by love.” ― Martin Luther King Jr.