Destiny shaped by hardships

Hardships often prepare ordinary people for an extraordinary destiny …

Found quote attributed to CS Lewis here and elsewhere on the internet. However the CS Lewis Foundation suggests this quote has been misattributed and they located the quote in the film Voyage of the Dawn Trader, 2010 written by Christopher Markus, Stephen McFeely and Michael Petroni. The site suggests that while this may not be the ultimate source, it is a source.