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.
The state comes into existence for the sake of life and continues to exist for the sake of good life.
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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%.