(noun) Continuing in a course of action without regard to discouragement, opposition or previous failure.
"The greatest glory in living lies not in never falling, but in rising every time we fall."
"Success is not final, failure is not fatal."
"Persevere. Nothing worthwhile is easy."
"Don't stop believin' hold on to that feelin'."
"However difficult life may seem, there is always something you can do."
"Run when you can, walk if you have to, crawl if you must; just never give up."
"God knows our situation; He will not judge us as if we had no difficulties to overcome. What matters is the sincerity and perseverance of our will to overcome them."
"Success comes from curiosity, concentration, perseverance and self criticism."
"The woods are lovely, dark, and deep. But I have promises to keep, and miles to go before I sleep."
"There's only one way to succeed in anything, and that is to give it everything."