Great leaders are persistent. They persevere through trials and develop the ability to weather tough storms. Calvin Coolidge, 30th US President, summed it up nicely:

Nothing in the world can take the place of persistence. Talent will not; nothing is more common than unsuccessful men with talent. Genius will not; unrewarded genius is almost proverb. Education will not; the world is full of educated derelicts. Persistence and determination alone are omnipotent.

Read the rest here: https://leadonpurposeblog.com/2010/04/05/leadership-and-persistence/