We can't/shouldn't always quit what is hard. Some things come help us grow up and mature a little because easy doesn't improve you. We should work hard and watch carefully to know when something is not leading to anything beneficial. That is when it's time to move on because dead things don't bear fruit and are not worthy of your investments.
Elizabeth Gilbert show us how to start our own quests to self discovery. Watch Part 1 of Oprah's chat with the Eat, Pray, Love author right now. Double click to find out what it means to find your calling.