How could we have achieved the set-goal, without endurance to the end?

achievement adventure adversity challenges determination determined spirit dont give up dont quit educational philosophy endurance enthusiasm fighting spirit goal setting goals inspirational life keep learning keep trying keeping faith learning from mistakes learning process mistakes motivation never give up obstacles optimistic overcomer overcoming obstacles overcoming pain patient perseverance persistence positive positive thinking self help self motivation success survival instinct surviving spirit survivor try try again trying wise words wishes words of wisdom work hard