Perseverance

"Ever tried. Ever failed. No matter. Try again. Fail again. Fail better."

"The man who makes no mistakes does not usually make anything."

"Challenges make you discover things about yourself that you never really knew. They're what make the instrument stretch - what makes you go beyond the norm."

"It is common sense to take a method and try it. If it fails, admit it frankly and try another. But above all, try something."

"We either make ourselves miserable, or we make ourselves strong. The amount of work is the same."

"Life is not the way it's supposed to be. It's the way it is. The way you cope with it is what makes the difference."

When you get into a tight place and it seems that you can't go on, hold on — for that's just the place and the time that the tide will turn."

"Vitality shows not only in the ability to persist, but in the ability to start over."

"People usually fail when they are on the verge of success. So give as much care to the end as to the beginning."