Keep going

“Just don't give up trying to do what you really want to do. Where there's love and inspiration, I don't think you can go wrong.”
—Ella Jane Fitzgerald (1917-1996), jazz vocalist, also known as "Lady Ella" and the "First Lady of Song"

another good one:

“Whoever you are, whatever your dream, you have to be strong in your head and strong in your heart. Be strong. There's no quitting in the person who wants it bad enough.”

—Carly Patterson (b. 1988) gold medal gymnast in 2004 Olympics