If you're not willing to work hard let someone else do it. I'd rather be with someone who does a horrible job but gives 110% than with someone who does a good job and gives 60%.
A good leader can engage in a debate frankly and thoroughly knowing that at the end he and the other side must be closer and thus emerge stronger. You don't have that idea when you are arrogant superficial and uninformed.
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What good is it being Marilyn Monroe? Why can't I just be an ordinary woman?