Writer Quotes and aphorisms about hardest thing Callie Khouri Nalo Hopkinson ,, It's the thing I struggle with every day: the mental diligence and stamina needed to sit in front o... Ayn Rand Eric Hoffer Dorothy Allison Adam McKay Mitchell Hurwitz ,, When we were making 'Arrested Development,' it was the hardest thing I'd ever done. You know, nobod... Emil Ferris Nick Yarris Tavi Gevinson